Agribusiness Organization and Management Seminar

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    DRIVING FORCES OF YIELD DIFFERENCES IN

    SMALL SCALE FOOD CROP FARMING SYSTEM IN

    ETHIOPIA

    Bizualem Assefa (MSc. 06568/05)

    Gashaw Guben (MSc.06570/05)Metages Belete (MSc.06572/05)

    A Seminar Paper

    Submitted to the Department of Agribusiness and Value-Chain

    Management, College of Agriculture and Veterinary Medicine,

    Jimma University, in Fulfilment of the Requirements for the

    Course Agribusiness Organization and Management (ABVM 521)

    Jimma, Ethiopia

    June, 2013

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    ACKNOWLEDGMENT

    First of all, we would like to serve our great thank for our lovely instructor, Dr. Ravi, who

    arrange such a kind of opportunity by integrating this seminar as a part of assessment in thecourse. We also would like to thank our department staffs who have been giving us

    important inputs for the accomplishment of this paper. Next to this, we are interested to thank

    the Department of Agricultural Economics and Agribusiness and Value Chain Management

    head who allowed us to use different facilities. Finally, as a whole, we are not interested to

    pass the computer centre workers, libertarian workers and our best classmates without giving

    our deep thanks and respect that have been helping us in completing this seminar paper

    effectively.

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    LIST OF ABBREVIATIONS AND ACRONYMS

    ADBG African Development Bank Group

    AIDS Acquired Immune Deficiency SyndromeAISE

    CSA

    CUFHs

    CUFHs

    DA

    EEA

    ESEFAO

    GDP

    GoE

    ha

    HIV

    Kg

    MoA

    MoARD

    SNNPR

    t

    UNCTAD

    UNDP

    UNEP

    USDA

    WB

    WFP

    African Institute of Seed Enterprise

    Central Statistical Authority

    Credit Constrained Farm Households

    Credit Unconstrained Farm Households

    Development Agent

    Ethiopian Economic Association

    Ethiopian Seed EnterpriseFood and Agriculture Organization

    Gross Domestic Product

    Government of Ethiopia

    Hectare

    Human Immune Deficiency Virus

    Kilogram

    Ministry of Agriculture

    Ministry of Agriculture and Rural Development

    Southern Nations Nationalities and Peoples Region

    Tones

    United Nations Conference on Trade and Development

    United Nations Development Program

    United Nations Environment Program

    United States Department of Agriculture

    World Bank

    World Food Program

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    TABLE OF CONTENT

    Contents

    ACKNOWLEDGMENT ...................................................................................................................................... iiLIST OF ABBREVIATIONS AND ACRONYMS .......................................................... ................................. iiiTABLE OF CONTENT ...................................................................................................................................... ivLISTS OF APPENDEX........................................................................................................................................ vSYNOPSIS............................................................................................................................................................ vi1. INTRODUCTION ........................................................................................................................................ 12. DRIVING FORCES OF YIELD DIFFERENCES IN SMALL-SCALE FOOD CROP FARMING

    SYSTEM................................................................................................................................................................ 42.1 Associating Yield Differences with Farming Inputs and Management Practices ................................. 4

    2.1.1 Use of improved or/and certified Seed variety ...................................... ................................................ 42.1.2 Use of inorganic fertilizer technology ......................................................................... .......................... 52.1.3 Use of animal droppings ................................................................ ........................................................ 52.1.4 Use of vegetal waste (compost) ............................................................................................................. 52.1.5 Forms of residue management and effects on yields ........................................................................ ..... 62.1.6 Choice of crops to cultivate and intercropping implications on yields .................................................. 72.1.7 The use of Agro-Chemicals ........................................................... ........................................................ 72.1.8 Impact of access to credit....................................................................................................................... 82.1.9 Constraints facing agricultural extension in Ethiopia ............................................................. ............... 8

    2.2 Change in Rain Fall Amount and Patterns .............................................................................................. 92.3 Associating Yield Difference with Irrigation .......................................................................................... 102.4 The Impact of Agro-Ecological Variation .............................................................................................. 102.5 Yields in Relation to Farm Ownership and Level of Farm Management ............................................ 112.6 Impact of HIV/AIDS on Small-Holder Agriculture............................................................................... 122.7 Yields and the Socio-Cultural Dimension of Households ......................................................... ............. 12

    2.7.1 Gender perspectives of yields ........................................................ ...................................................... 122.7.2 Other socio-cultural factors ................................................................... .............................................. 13

    2.8 Constraints to Agricultural Productivity in Ethiopia ............................................................... ............. 133. SUMMARY AND CONCLUSION ............................................................................................................... 144. RECOMMENDATION.................................................................................................................................. 155. REFERENCES ............................................................................................................................................... 166. APPENDIX ..................................................................................................................................................... 18

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    LISTS OF APPENDEX

    Appendix Page

    Appendix 1 Expected production & distribution of improved seeds by ESE in 2010 (quintals) .......... 18Appendix 2 Ethiopian Seed Enterprise (ESE) and its sales in the year 2006, 2007, and 2008 ............. 18

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    SYNOPSIS

    This paper is prepared to review the driving forces of yield differences in small-scale food

    crop farming system in Ethiopia. Agriculture is the backbone of Ethiopian economy which

    determines the growth of all other sectors and consequently, the whole national economy.

    Small-scale crop farming is production on a small-piece of land without using advanced andexpensive technologies. Unlike large-scale commercial agriculture, it is characterized by

    using family pieces of land, traditional lands and smallholdings on the periphery of urban

    areas, intensive labour and in most cases, animal traction, limited use of agro-chemicals and

    supply to the local or surrounding markets. In Ethiopia, small-scale farmers make up the

    majority of food producers. Recognizing that the yields per hectare for main food crops are

    generally low in small-scale food farming systems, there are considerable differences in yield

    among individual farmers. The objective of this seminar paper, therefore, is to review the (1)

    Impact of input, socio economic, climatic and agro ecological forces for food crop yield in

    Ethiopian small scale farming system, and (2) Constraints of Ethiopian small-scale food crop

    farming system. Accordingly, the use of inputs, techniques of crop cultivation and socio-

    cultural characteristics of farming households which are factors making a difference in foodcrop yields are the general issues discussed. The use and appropriate application of basic

    inputs such as inorganic fertilizers, animal droppings, vegetal waste (compost) improved

    seeds, herbicides, and pesticides with their proper management do significantly improve

    yields and determine yield differences. The usage of improved seeds is one of the most

    efficient ways of raising food crop production. Increased and efficient use of inorganic

    fertilizers can be considered as a more plausible alternative in Ethiopia to bridge the wide

    gap of food shortage at least in the immediate future. The use of animal droppings or crop

    residues helps to improve the soils moisture-retention capacity and provides room as well as

    favourable conditions for the growth of beneficial soil microbes thereby reducing erosion and

    prevents nutrients from leaching which in turn improves crop yields. Intercropping is the

    practice of growing more than one crop simultaneously in alternating rows of the same fieldin aiming at an increase in yield per area of land. Tools such as herbicides, insecticides, and

    fungicides reduce crop losses both before and after harvest, and increase crop yield. Climate

    changes affects crop yield through direct impacts on the biophysical factors such as plant

    and animal growth and the physical infrastructure associated with food processing and

    distribution. Rain-fall variability causes variations in crop yield in small scale agriculture so

    that development of irrigation and agricultural water management holds significant potential

    to improve productivity and reduce vulnerability to climactic volatility. It can also be

    revealed that crop production in the small-holder farming varies across different agro-

    ecological settings. The impact of HIV/AIDS is quite visible in districts that have been hit by

    the epidemic. The cultural and religious practices and institutions affect interactions of most

    small-holder farmers. Farmers with informal trainings in farming will obtain higher yields

    than those that have not. Key constraints to agricultural productivity include low availability

    of improved seed, lack of seed multiplication capacity, low adoption of fertilizer, lack of

    transport infrastructure and market access, and lack of irrigation and water management.

    Therefore, extension services like marketing, agricultural credits, and extension advices

    directly or indirectly benefit the local communities in increasing the yield if properly applied.

    Key words

    Commercial Agriculture, Compost, Improved Seed, Inorganic Fertilizer, Intercropping, Rain-

    Fed Farming, Small-Scale Farming, Subsistence Farming

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    1. INTRODUCTIONAgriculture is the backbone of the Ethiopian economy. This particular sector determines the

    growth of all other sectors and consequently, the whole national economy. According to

    World Bank 2007, as cited by Shumet Assefa, 2011), agriculture has accounted for about 30% of Africas GDP and 75% of total employment. According to World Food Program (2009)

    economic growth of the country highly depends on the agricultural sector, which accounts for

    47% of the GDP and more than 90% of exports, and 83% of the total employment, followed

    by the service and the manufacturing sectors with a share of 39% and 14% of GDP,

    respectively. On average, crop production makes up 60 percent of the sectors outputs,

    whereas livestock accounts for 27 percent and other areas contribute 13 percent of the total

    agricultural value added. The sector is dominated by small-scale farmers who practice rain-fed mixed farming by employing traditional technology, adopting a low input and low output

    production system. The land tilled by the Ethiopian small-scale farmer accounts for 95

    percent of the total area under agricultural use and these farmers are responsible for more

    than 90 percent of the total agricultural output.

    Small-scale farmers produce 94 percent of the food crops. Private and state commercial farms

    produce just 6 percent of food crops. These commercial farms use about 5 percent of the total

    cultivated land (Atsbaha & Tessema, 2011). With these statistics, one can easily infer to what

    extent the small-scale farmers are the key element in strengthening the effort towards

    agricultural growth and consequently to the overall economic growth.

    Small-scale farming is the production of crops and livestock on a small-piece of land without

    using advanced and expensive technologies. Though the definition of size of these farms is a

    source of debate, it can be argued that farming on family pieces of land, on traditional lands

    and smallholdings on the periphery of urban areas fall in this category. This type of farming

    is usually characterised by intensive labour and in most cases, animal traction, limited use of

    agrochemicals and supply to the local or surrounding markets. Unlike large-scale commercial

    agriculture, it plays a dual role of being a source of household food security as well as income

    from sale of surplus. Although some claim small-scale agriculture is less efficient in output as

    compared to commercial agriculture (Kirsten & Van Zyl, 1998), it is ecologically friendly in

    that less land is cleared for cultivation, there are fewer emissions due to less use of fuel-

    driven machinery and the market is usually local implying less carbon miles. On the other

    hand permaculturalists and others claim that per unit of area small-scale agriculture is far

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    more productive than commercial agriculture in terms of total output from the piece of land.

    On traditional lands, the produce is first meant to feed the household thereby contributing to

    food security.

    Small-scale farming involves growing crops, at least in part, to be used by an individual

    family, with farming being a significant source of their livelihood. Subsistence farming:

    however, implies that farm production is solely for the familys livelihood and farmproducts

    are not sold at a market; most small farmers do sell their crops at local or national markets.

    Subsistence farming system in Ethiopia could be identified as small and often fragmented

    land, primitive tools and implements, production geared to personal needs rather than to

    market, lack of alternatives or seasonal employment opportunities and almost total absence of

    reserves of either grain or cash (Mertz et al. 2009).

    Crop Yield or crop productivity is identified as one of the essential indicators for agricultural

    development and defined as the amount of harvested product per crop area and is normally

    expressed as kilograms (kg) or metric tonnes (t) of product per hectare (ha) (World Bank,

    2010).

    According to the USDA (as cited by Brenda Dawson, 2011) a small farmer is defined as one

    that grows and sells between $1,000 and $250,000 per year in agricultural products.

    In Ethiopia, small-scale farmers make up the majority of food producers. While recognizing

    that the yields per hectare for main food crops are generally low in small-scale food

    production systems of Ethiopian agriculture, there are considerable differences in yield output

    among individual farmers (Atsbaha & Tessema, 2011). At the very local scale, why do these

    differences exist? By examining factors that are associated with yield differences, policy can

    be better informed and tailored to respond to challenges of food production among this

    important group of small-scale farmers.

    Generally the objective of this seminar paper is to review those driving-forces of yield

    differences in small-scale food crop farming system in Ethiopia and to give the

    recommendation as how to policy intervention has to be implemented in lessening those

    challenges. Specifically this paper aims to review the (1) Impact of input, socio economic,

    climatic and agro ecological forces for food crop yield in Ethiopian small scale farming

    system, and (2) Constraints of Ethiopian small-scale food crop farming system.

    http://www.extension.org/pages/USDA_Small_Farm_Definitionshttp://www.extension.org/pages/USDA_Small_Farm_Definitionshttp://www.extension.org/pages/USDA_Small_Farm_Definitions
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    So to what extent the small-scale farmers producing food-products are the key element in

    strengthening the effort towards agricultural growth there by alleviating the food-insecurity

    and consequently to the overall economic growth, we are initiated in paying attention to study

    our seminar paper on the major driving-forces of yield differences in small-scale food crop

    farming system in Ethiopia. Accordingly, inputs to agriculture, techniques of crop cultivation

    and socio-cultural characteristics of farming households which are factors making a

    difference in food crop yields are the major issues which are going to be discussed.

    The purpose of this paper is, therefore, very important since it equips us for the future

    scientific research project. The study of this seminar is also important for the government and

    other concerned bodies to have information about driving forces for yield differences in small

    scale food crop farming systems. The paper is organized by having introduction, discussion,summary, conclusion and recommendation. Based on this; we have prepared such kind of

    paper by revising different research results as follows.

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    2. DRIVING FORCES OF YIELD DIFFERENCES IN SMALL-SCALE

    FOOD CROP FARMING SYSTEM

    2.1 Associating Yield Differences with Farming Inputs and Management Practices

    AccordingtoYengoh (2012), the use of these inputs is neither uniform among small-holder

    farmers nor constant from one agricultural season to the next. The use of basic inputs such as

    inorganic fertilizer, animal droppings, vegetal waste (compost) and improved seeds do

    significantly improve yields. The method of residue management and the control of pests and

    crop diseases are important in determining yield differences. Small investments that are

    properly targeted to improve basic techniques of farming can make an appreciable difference

    in food crop yields and food security at the local level. In small-scale farming systems, themethods of plant residue management and the practice of intercropping are important in

    determining the availability of nutrients for plant growth.

    Various studies made in Ethiopia have recognized that an appropriate application of modern

    farm inputs such as chemical fertilizers, improved seeds and herbicides would increase crop

    yield and productivity in smallholder farming system (Degefa, 2006).

    2.1.1 Use of improved or/and certified Seed variety

    Farmers who use improved seeds experience substantially better yields relative to those that

    do not use them. Farmers depend considerably on the quality of seeds for viable crops and a

    good harvest. The traditional method of saving some of the previous harvest as seed for next

    years planting has gone on forseveral generations. The usages of improved seeds is one of

    the most efficient ways of raising food crop production, but in Ethiopia less than 10 percent

    of farmers use improved seeds. This is partly a supply problem due to the inability of the

    various suppliers (the Ethiopian Seed Enterprise and other suppliers including internationalfirms such as Pioneer Seed Company and cooperative seed producers) to meet the demand. It

    is also said that farmers have little working capital and uncertain access to credit, they often

    cannot afford the cost of improved seed and the fertilizer it requires to achieve its maximum

    genetic potential and yield. Hence, most farmers use second or later generation seed, thereby

    reducing harvest potential. Due to this difference in the amount of income farmers owned and

    the type of seed farmers employed can be factors that vary food crop production by small

    scale farmers (Yengoh 2012).

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    2.1.2 Use of inorganic fertilizer technology

    Despite its highest share in the countrys economy, the performance of the small-holder

    agricultural sector is found to be very poor due to the very low land productivity that gives

    only an average yield of 1.23 tones/ha for food grains (CSA, 1998b). The short-term means to

    increase agricultural productivity per unit area is to adopt package of agriculture technologies

    of which fertilizer is among the main component (Bekele, 2000). According to Berhanu

    (2000), farmers crop production, without doubt, varies due to the variation of the adoption of

    inorganic fertilizer. Therefore, intensifying small holder agriculture through the use of

    fertilizer is considered to be a strategic component to boost crop production and productivity.

    Hence, increased and efficient use of fertilizer can be considered as a more plausible

    alternative in Ethiopia to bridge the wide gap of food shortage (at least in the immediate

    future). Recognizing the role of fertilizer in increasing crop yield, the government of Ethiopia

    has given top priority to the fertilizer this small holder sub-sector

    2.1.3 Use of animal droppings

    According toYengoh (2012), the use of animal droppings has the most substantial association

    with high yields. Animal wastes bring benefits to the poorly structured, low-nutrient soils.

    Besides providing more nutrients per unit volume relative to other organic fertilizer sources,animal droppings improve the soil structure through enhancing aeration and preventing

    compaction. The use of animal droppings therefore helps improve the soil s moisture-

    retention capacity and provides room as well as favourable conditions for the growth of

    beneficial soil microbes. Such improvements in structure, microbial composition and

    chemistry reduce erosion and also help to prevent nutrients from leaching. Therefore, the

    application of residues can also show variations in the yield of food crop production in small

    holder farming systems. A report by the United National Conference on Trade andDevelopment (UNCTAD) and the United Nations Environment Programme (UNEP), (2008)

    found that organic agriculture increases yields in African countries.

    2.1.4 Use of vegetal waste (compost)

    Techane (2002) reported that, using organic manure to the required level will probably reduce

    the chemical fertilizer adoption.

    While the use of animal droppings may be seen as insufficient with limited access to

    chemical fertilizers, the use of plant residues in terms of compost is even lower. Farmers have

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    the potential of generating appreciable amounts of vegetal waste products that can serve as

    inputs to farming activities through a variety of means. Vegetal matter with potential use as

    farm inputs can be derived from accumulated household kitchen debris and from farms after

    weeding and harvesting of crops. By converting these products into compost and using it on

    farms, farmers may reduce and in some cases even provide all of their fertilization needs so

    efforts by local authorities and local farming organizations at promoting the production and

    use of compost as a source of farm fertilizer brings in yield difference in small holder food

    crop farming Yengoh, (2012).

    2.1.5 Forms of residue management and effects on yields

    I. Burying of plant material below crop-bearing ridgesIn this case, cleared vegetation is allowed to partially decompose at the surface of the farm.

    The decomposed vegetation is then gathered and laid in lines that eventually serve as ridges

    for seasonal crops. Soil from between these lines of decomposing vegetation is used to cover

    them, thereby forming the ridges. The vegetation continues to decay within these ridges for

    another 1 to 2 months before crops are planted on them. The lines of furrows from where the

    soil has been taken to form ridges for one season become ridges in the next planting season

    when crop residues are placed in them and soil from previous ridges is used to cover the

    residue.

    II. Localized surface burning of plant materialThis is a localized process of burning plant residue on the farm with the goal of temporarily

    increasing fertility on a small patch and exploiting it for particular crops. Surface burning is

    more predominant where plant residue is plentiful and the process of burying all of it before

    burning is time and labour demanding. This is the case among small-scale farmers in the

    equatorial regions and its fringes, where above-ground biomass is usually plentiful. Burning

    is also the preferred choice for clearing the farm when farmers have limited time to prepare

    the farms for planting before impending rains.

    III. Burying and burning of plantIt is the process of burning dry plant residue under a thin layer of soil. It is a localized process

    practiced mainly among small-scale farmers and may involve either one ridge or a few ridges

    of a farm. Farmers see it as a process of concentrating plant nutrients on limited spots tooptimize their use in high nutrient-demanding crops. The burning of plant residue

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    underground resulted in significantly higher yields when compared with other methods of

    residue management at all fertilizer levels

    2.1.6 Choice of crops to cultivate and intercropping implications on yields

    Mixed cropping is the practice of growing more than one crop in a field at a given time.

    Intercropping is the practice of growing more than one crop simultaneously in alternating

    rows of the same field (Jonathan & Carlson, 2008). Intercropping is therefore a type of mixed

    cropping. It explains that intercropping in Ethiopian is a way to grow crops while obtaining

    several benefits from the additional crop. One of the main benefits of intercropping is an

    increase in yield per area of land. It is a common feature of smallholder agriculture in

    Ethiopia. While the crop combinations with which intercropping are practiced differ from one

    agro-ecological zone to the next, many characteristics of this practice are the same

    nationwide.Most intercrop mixes contain one leguminous crop. Crops within an intercrop are

    selected based on their importance for household consumption; the more market-oriented the

    farming, the less the variety of crops in the intercrop. While there are cases where food crops

    are intercropped with cash crops, the practice is predominantly carried out by food crop

    farmers.

    2.1.7 The use of Agro-Chemicals

    According to the FAO, some 20 to 40 percent of the world's potential crop production is

    already lost annually because of the effects of weeds, pests and diseases. Even after harvest,

    crops are subject to attack by pests or diseases. Bugs, rodents or molds can harm grains. In

    addition to increasing crop yields, crop protection used in stored products can also prolong

    the viable life of produce, prevent huge post-harvest losses from pests and diseases, and

    protect food so it is safe to eat. Tools such as herbicides, insecticides, and fungicides reduce

    crop losses both before and after harvest, and increase crop yields. The use of herbicides andother agro-chemicals is still very low in Ethiopia.

    According to AISE (2009), the total sales of 2,4D, the main herbicide, by the AISE in 2009

    were 340 013 liters, while sales of Malathion and Endosulfan were only 1 917 and 7 384

    liters, respectively. Among the benefits of using pesticides for crop protection is that these

    products are vital to increasing food production.

    http://www.croplifeamerica.org/crop-protection/benefitshttp://www.croplifeamerica.org/crop-protection/benefits
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    2.1.8 Impact of access to credit

    According to the Ethiopian Journal of Economics Vol. 15 (1) 2006, credit constraint in

    agriculture affects not only the purchasing power of producers to procure farm inputs and

    to cover operating costs in the short run, but also their capacity to make farm-related

    investments as well as risk behavior in technology choice and adoption. These, in turn,

    influence technical efficiencies of the farmers. By estimating technical efficiency of credit-

    constrained (CCFHs) and unconstrained farm households (CUFHs) by employing a

    stochastic frontier technique on farm household survey data from Southeastern Ethiopia;

    the Credit Constrained Farm Households had mean technical efficiency score of 12% less

    than that of the Credit unconstrained farm households. Given the largest proportion of

    CCFHs in Ethiopian farming population, this gap implies considerable potential loss inoutput due to inefficient production. Improving technical efficiency of all farm households

    in general but more of particularly the CCFHs is desirable.

    2.1.9 Constraints facing agricultural extension in Ethiopia

    A recent report from the FAO (1996) indicated that many small-scale farmers were not being

    reached by agricultural extension, although approximately 75% of the worlds' farmers are

    small-scale, resource poor farmers. The report suggested that in some instances agricultural

    extension services reported reaching one out of three farmers in Africa. In other areas such as

    the Near East, the report stated that one out of seven farmers had been reached by the

    extension services.

    According to Biratu, Gizachew Kebede (2008), a good agricultural extension system accepts

    and incorporates farmers traditional knowledge in research processes and sees farmers as

    partners during decision making. However, in most cases the problem with science in

    agriculture and extension is that it has a poor understanding of the knowledge from very poor,indigenous rural people. For many scientists, in order to develop those rural people, formal

    research and extension has to transform their knowledge into another knowledge system,

    because their knowledge is considered as unscientific and primitive. This is true when it

    comes to the case of agricultural extension in Ethiopia (Roling and Pretty, 1997).

    Agricultural research in Ethiopia is poorly linked to extension (Belay, 2003; EEA, 2006;

    Wale and Yalew, 2007) because of the fact that extension and research activities have been

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    carried out under different institutions with zero or minimal coordination between them

    (Belay, 2002).

    Agricultural extension agents in Ethiopia are involved in different activities which are not

    necessarily related to their normal work such as collection of fertilizer credit, being

    government spokesmen, or agents for other government bureaus and this will highly affect

    their relation with the farmers. When agricultural extension is in place in one area, more or

    less there are some basic elements that come together for agricultural development. Some of

    these are marketing, agricultural credits, and extension advices (Belay, 2003). Therefore such

    elements of agricultural extension directly or indirectly benefit the local communities in

    increasing the yield if properly applied.

    2.2 Change in Rain Fall Amount and Patterns

    Climate changes affects crop production through direct impacts on the biophysical factors

    such as plant and animal growth and the physical infrastructure associated with food

    processing and distribution (Schmidhuber and Tubiello, 2007). Accordingly some impacts of

    climate change are occurring more rapidly than previously anticipated (Parry et al., 2007 as

    cited by Oyiga Benedict Chijioke et al., 2011).

    Ethiopian agriculture is mostly rain-fed, whereas inter-annual and seasonal rainfall variability

    is high and droughts are frequent in many parts of the country. According to Svein Ege, et al.,

    (2009), inter-annual and seasonal variability of rainfall are a major cause of difference in

    production of cereals in the small-holder farming system of Ethiopian agriculture. The

    patterns of inter-annual variability in productions of the six major cereals (teff, barley, wheat,

    maize, sorghum and millet) cultivated in the region show similar patterns of inter-annual

    variability in the seasonal or annual rainfall amounts. Productions of teff, barley and wheat

    show stronger correlations with the kiremtrainfall while sorghum production is more stronglycorrelated with belg rainfall. Maize appears to require a more even distribution of rainfall

    throughout the belgand kiremtseasons. Sorghum shows the largest year-to-year variability as

    it is cultivated in semi-arid and arid parts of the region where rainfall variability is high.

    Productions of the cereals also showed statistically significant correlations with each other,

    suggesting that rainfall is the common yield-limiting factor as use of chemical fertilizers and

    other agricultural inputs is limited. The fact that there are high correlations between cereal

    production and rainfall suggest that farmers are vulnerable to food insecurity related torainfall variability. Thus there is a need for water resources development including household

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    level rainwater harvesting for crop production. In 2009, due to poor belg rains, it proved

    difficult to maintain supplies of sweet potato vines in SNNPR, which reduced the amount of

    this high-yielding crop that could be planted. Enset or false banana is an important crop in

    Gurage and other areas south of Addis Ababa. Due to a succession of poor seasons, over-

    harvesting of this staple food was reported.

    Sesame crops in Amhara and Tigray were generally good, as this crop has low rainfall

    requirements. Some wind damage was reported from the Humera area and this caused

    shelling of the crop close to harvest. The high quality of Ethiopian sesame is widely

    recognized on international markets (Woldeamlak, 2009).

    According to MoA (2000), rain-fed crop production is the basis of all subsistence farming in

    most parts of the country and accounts for more than 95% for the land area cultivated

    annually. In general the rain-fall variability causes a variation in the crop yield in small scale

    agriculture.

    2.3 Associating Yield Difference with Irrigation

    Although Ethiopia has abundant rainfall and water resources, its agricultural system does not

    yet fully benefit from the technologies of water management and irrigation. According to

    (Demese, et al., 2009), the current yield levels by rural smallholders is not able to produce to

    fulfill their minimum food requirements since one-third of the rural household owns less than

    0.5 ha of farming land that are dependent on rain fed agriculture system.

    The international Water Management Institute explains that the development of irrigation and

    agricultural water management holds significant potential to improve productivity and reduce

    vulnerability to climactic volatility in any country. Therefore, improved water management

    for agriculture has many potential benefits in efforts to reduce vulnerability and improve

    productivity (Sileshi & Awulachew, 2010).2.4 The Impact of Agro-Ecological Variation

    Ethiopia has diverse agro-ecological environments in which that are defined based on

    temperature and moisture regimes (MoA, 2000). Accordingly, Ethiopia has 30 agro

    ecological zones.

    Around 55 percent of the total land area constitutes moisture-stressed arid, semi-arid and sub-moist areas with less than 120 days of crop growing period. These drier areas are commonly

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    low in soil fertility and high in rainfall variability and drought risk. Areas with a longer and

    dependable period with minimum of 120 crop growing days are found in the remaining 45

    percent of the total land area, particularly in the highlands (ADBG, 2008). Though the

    diverse agro-ecological setting permits diverse farming and livelihood systems, crop

    production is by far the largest component of the agricultural economy.

    Out of the total arable land of 50.5 million hectares, close to 16.4 million hectares are suitable

    for producing annual and perennial crops. Of this estimated land area about 8 million hectares

    (nearly 50%) are used annually for rain-fed small holders crops (Tadesse et al, 2009).

    According to this report the existence of diverse agro-ecological conditions enables Ethiopia

    to grow a large variety of crops including cereals (teff , maize, sorghum, wheat, barley,

    millet, oats, etc), pulses (horse beans, field peas, lentils, chick-peas, haricot beans, vetch, etc),oil seeds (linseed, Niger-seed, fenugreek, rapeseed, sunflower, castor bean, groundnuts, etc),

    spices & herbs (pepper, garlic, ginger, mustard, etc), stimulants (coffee, tea, chat, tobacco,

    etc), fruits(banana, orange, grape, papaya, lemon, menderin, apple, pineapple, mango,

    avocado, etc), sugarcane, fibers (cotton, sisal, etc), vegetables (onion, tomato, carrot,

    cabbage, etc), root and tuber crops (potato, inset, sweet- potatoes, beets, yams, etc). The 1994

    agricultural sample survey, as cited in the report, indicates that the average yield of all crops

    at the national level was about 10 quintals per hectare while the average yield of cereals,pulses and other crops was about ten, nine and three quintals per hectare respectively (CSA,

    1995). From this it can be revealed that agricultural crop production in the small holder

    farming varies across different agro-ecological settings.

    2.5 Yields in Relation to Farm Ownership and Level of Farm Management

    Yield differences are mirrored in the system of farm ownership and management. Land, the

    most basic resource for peasant life, is under the hands of most government officials (land

    lords) and at the same time this officials directed development where they had a great deal of

    land. However, the majorities of the peasants were landless or use a small and fragmented

    farm lands. Most peasants cultivate an area of land that is too small, often less than one

    hectare. Even this small holding is fragmented in to two or four or even more plots. The small

    holdings are limited by either inheritance or the peasants capacity which in turn is

    determined by the available labour and oxen-power. Most of the households included in

    northern Ethiopia are small holder farmers who have on average less than two hectares of

    land. Land is of highly different quality in different districts of northern Ethiopia. Besides

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    land is state owned and farmers are not allowed to buy and sell land. They can only obtain

    land from the local peasant associations (Yezihalem, 2012). Therefore variation of the land

    ownership by small-holder farmers will bring a difference in the yield of the food crop

    production.

    2.6 Impact of HIV/AIDS on Small-Holder Agriculture

    According to Lori Bollinger et.al, 2007 the impact of HIV/AIDS can also be seen on the

    agricultural sector. In Ethiopian economy, agriculture is the largest sector accounting for a

    large portion of production and a majority of employment. This study has shown that AIDS

    will have adverse effects on agriculture, including loss of labor supply and remittance

    income. The seriousness of the HIV/AIDS epidemic in Ethiopia is widely acknowledged. The

    disease is taking its toll on life expectancy and is undermining the countrys efforts to reduce

    poverty.

    The impact of HIV/AIDS on the agricultural sector is quite visible in districts that have been

    hard hit by the epidemic. Since most agricultural activities take place in rural areas, where

    farmers mainly using labor intensive techniques live, and have been much vulnerable to

    HIV/AIDS, it has resulted into decline of agricultural production in general, and food

    production in particular. Many communities whose source of income, food and general

    livelihood is agriculture have registered negative growth due to HIV/AIDS (Yezihalem,

    2012).

    2.7 Yields and the Socio-Cultural Dimension of Households

    2.7.1 Gender perspectives of yields

    Women form an important population among small-scale farmers and play an indispensable

    role in food crop production. Addressing constraints to their access to food production

    resources (physical, financial, cultural, legal) would be a vital step towards sustainably

    improving food production. There has been an encouragement for the inclusion of elements

    of gender into the framework of systems to support the development of Africas Green

    Revolution. The mean yield from male-managed farms was 1.8 tons/hectare of maize relative

    to just below 1 ton/hectare from female-managed farms Yengoh (2012). Accordingly, the

    mean yield of 1 ton/hectare for female-managed farms has to be appreciated within the

    context of the overall data spread: about 60% of female farmers have yields that are at or

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    below the 25th percentile. These lower yields on female managed farms are a reflection of the

    differences in factors of agricultural production (inputs and management) between genders.

    2.7.2 Other socio-cultural factors

    There is an Ethiopian saying that: No crown without the poor, No food without the peasant.

    From this saying, one can simply understand that, in Ethiopia agriculture has been simply a

    way, for many the only way, of life and not a business enterprise. Ideally, the farmer is

    supposed to produce everything that he requires for himself and others (Mesfin, 1984).

    However, it should be borne in mind that farmers productivity is associated with a number of

    different factors.

    According to Yezihalem Tesfa (2012), the following are, therefore, the major critical

    religious factors that jeopardize agricultural productivity in Ethiopia. Strong and deep-rootedreligious and cultural practices by the bulk of Ethiopian farmers are one of the serious factors

    for low agricultural productivity. These cultural and religious practices and institutions

    negatively affect the overall interactions of most of the small-holder farmers in a subsistence

    production system of Ethiopian agriculture. Variation in the educational level of farmers can

    also make a yield difference in small holder farming. Education that can have a meaningful

    impact on agricultural productivity may not necessarily be formal. Opportunities for learning

    and skills development can make a difference. Farmers that have undergone some informaltraining in farming will generally obtain significantly higher yields than those that have not.

    2.8 Constraints to Agricultural Productivity in Ethiopia

    According to Leigh Anderson, Mary Kay Gugerty, (2010), Key constraints to agricultural

    productivity in Ethiopia include low availability of improved or hybrid seed, lack of seed

    multiplication capacity, low profitability and efficiency of fertilizer use due to the lack of

    complimentary improved practices and seed, and lack of irrigation and water constraints. In

    addition, lack of transport infrastructure and market access decrease the profitability of

    adopting improved practices. Investments in productivity increases higher up the food value

    chain, such as through marketing and transportation infrastructure, would increase prices

    farmers receive for output while also putting downward pressure on urban food prices.

    Higher producer prices would create incentives for farmers to invest in productivity

    increasing technologies since output increases would offer substantial gains. Lack of reliable

    data also poses a critical constraint to understanding the potential for productivity gains in

    Ethiopia.

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    3. SUMMARY AND CONCLUSION

    At the local level, food crop yields in small-scale farming systems are determined by a

    number of factors. These include inputs to agriculture, techniques of crop cultivation and

    socio-cultural characteristics of farming households. These factors work in union to

    determine yield levels in a number of ways. Yield differences among farming households are

    associated with the use of some basic inputs and practices. By proliferating and optimizing

    these technologies, so that more farmers can use them more efficiently, the productivity of

    many farming households can be improved. Other technologies such as inorganic fertilizers

    and improved seeds are used in small-scale local settings, albeit neither widely nor optimally,

    and contribute to yield differences among farmers. The production of these technologies

    especially inorganic fertilizers and their market dynamics are beyond the control of small-

    scale farmers at local level. While the use of inorganic fertilizers can be essential in

    replenishing macro-nutrient deficiencies among many nutrient-poor soils, access to them is

    constrained by high financial costs for small-scale farmers.

    Being a human-managed system, the socioeconomic dimension of food crop production is as

    important as the management dimension. A key factor in this dimension is the place for and

    role of women in food crop production among small-scale farming communities. Achieving

    and sustaining food security in the long run will not be feasible without addressing the gender

    imbalance in access to land rights, agricultural inputs and investment opportunities. Such

    initiatives can be complemented by the import of agricultural production skills at the local

    scale through available technologies and tested processes.

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    4. RECOMMENDATION

    In general, the following recommendations and/or policy implications are assumed to be

    helpful for improvement of Ethiopian small-scale food crop farmers.

    We would like to positively recommend to the concerned bodies the availability of improved

    seed, awareness about profitability and efficiency of fertilizer use, complimentary

    management practices, irrigation, transport infrastructure and market access which increase

    the profitability of adopting and application of local and improved technologies and avoiding

    those challenges of the agriculture sector in increasing the productivity of food crop

    production in the small-holder farming system. Therefore, agricultural extension services like

    marketing, agricultural credits, and extension advices should be given to the local farmers.

    Intensifying small-holder agriculture through the use of fertilizer and other inputs should be

    considered to be a strategic component of Ethiopian agriculture to boost crop production and

    productivity. Hence, increased and efficient use of fertilizer can be considered as a more

    plausible alternative in Ethiopia to bridge the wide gap of food shortage at least in the

    immediate future so that recognizing the role of fertilizer in increasing crop yield, the

    government of Ethiopia must give top priority to the fertilizer sub-sector and should

    distribute sufficient amount of fertilizer for the farmers on time with full awareness abouthow to use it through training.

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    6. APPENDIX

    Appendix 1 Expected production & distribution of improved seeds by ESE in 2010 (quintals)

    Source: Ethiopian Seed Enterprise (ESE)

    Appendix 2 Ethiopian Seed Enterprise (ESE) and its sales in the year 2006, 2007, and 2008

    Crops 2006 2007 2008Wheat 115 888 75 602 121 749Maize (hybrid) 35 082 50 554 36 167Maize (composite) 11 568 4 194 5 767Maize total 46 650 54 748 41 934

    Sorghum 139 279 787Barley 10 023 6 355 6 457Teff 3 527 5 816 6 541Field peas 796 1 388 1 003Faba bean 2 232 2 720 3 438Haricot bean 4 369 2 238 1 925Soya bean 812 1 705 469Chick peas 2 208 1 346 2 795Lentils 1 884 664 1 177Source: Ethiopian Seed Enterprise (ESE)

    CropsAmhara Oromia SNNP Tigray Others Total

    Wheat 98 293 137 610 98 293 39 317 19 658 393 172Maize (hybrid only) 19 029 12 115 21 963 56 6 395 59 558Sorghum 554 680 127 206 16 1 583Barley 3 927 11 227 2 717 1 482 - 19 365Teff 7 214 8 160 2 966 4 302 - 22 642Field peas 114 169 73 87 14 4Faba bean 1 501 1 592 637 773 46 4 549Haricot bean 147 720 736 25 8 1 636Soya bean 187 826 80 240 - 1 333

    Chick peas 3 008 2 557 376 1 429 150 7 520Lentil 30 34 2 18 2 86