Towards sustainable intensification of maize-legume cropping systems - Ethiopia experience.SIMLESA
Update on the Sustainable Intensification of Maize-Legume Systems for the Eastern Province of...
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Update on the Sustainable Intensification of Maize-Legume Systems for the Eastern Province of Zambia-Africa RISING (SIMLEZA-AR)
Project
Walter MupangwaCIMMYT
Africa RISING East and Southern Africa Review and Planning Meeting, Malawi, 14-16 July 2015
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Enhancing adoption of SIMLEZA-AR technologies
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Field visits in February 2015
On site discussions with host farmers & neighbors in each camp
On site discussions with host farmers & neighbors in each camp
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Baby CA demonstrations
4 drought tolerant maize varieties under CA
Maize & cowpea rotation under CA Weed control using herbicides in CA
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• 827 farmers hosted ‘’Baby CA’’ demonstrations across 7 camps
• 28 farmers hosted ‘’Mother CA’’ trials across 7 camps
Baby CA demonstrations in each agricultural camp (2014/15 season)
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Print & Electronic media
Radio, TV & Newspaper journalists interviewedresearchers
• Times of Zambia & The Post newspapers (article published on 7 February 2015)
• Radio Breeze from Chipata
• National Television of Zambia
Radio, TV & Newspaper journalists interviewedDistrict Agricultural Co-ordinators
• Kuphindula ndi TLC radio program with Radio Breeze
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Discussions with stakeholders in IPs• Discussions aimed at addressing bottlenecks to technology adoption & use
• Meetings held: 20 November 2014 & 7 February 2015
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Vuu Mtaya kapara chanje0
50
100
150
200
250
300
350
Field Days attenandance
MenWomen
Camps
num
ber o
f peo
ple
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Chanje Mtaya Vuu Kafumbwe0
10
20
30
40
50
60
70
80
Labour demands under different practices in Eastern Zambia
Ridge & furrowMaize continuousDibble stick MaizecontinuousDibble stick-Maize/Cowpea intercropDibble stick-Maize -Cowpea rot
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Maize Productivity under different CA and CV manual systems
2012/13 2013/140
5001000150020002500300035004000
KafumbweRidge & furrowMaize continuousDibble stick MaizecontinuousDibble stick-Maize/Cowpea intercropDibble stick-Maize -Cowpea rot
seasons
yiel
d kg
/ha
2012/13 2013/140
1000
2000
3000
4000
5000
MtayaRidge & furrowMaize continuousDibble stick MaizecontinuousDibble stick-Maize/Cowpea intercropDibble stick-Maize -Cowpea rot
seasons
yiel
d kg
/ha
2012/13 2013/140
1000
2000
3000
4000
5000 ChanjeRidge & furrowMaize continuousDibble stick MaizecontinuousDibble stick-Maize/Cowpea intercropDibble stick-Maize -Cowpea rot
seasons
yie
ld k
g/ha
2012/13 2013/140
1000
2000
3000
4000
5000
Vuu
Ridge & furrowMaize continuousDibble stick MaizecontinuousDibble stick-Maize/Cowpea intercropDibble stick-Maize -Cowpea rot
seasonsyi
eld
kg/h
a
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Maize productivity under different tillage practices (Mechanise system)
2012
/13
2013
/140
100020003000400050006000
Kawalala
CN Sole MaizeRipper Maize continuousRipper maize soy rotation
seasons
yiel
d kg
/ha
2012/13 2013/140
5001000150020002500300035004000
Hoya
CN Sole Maize
Ripper Maize continuous
Ripper maize soy rotation
seasons
yiel
d kg
/ha
2012/13 2013/140
50010001500200025003000350040004500
Kapara
CN Sole MaizeDirect Seeder Maize continuousDirect Seeder maize soy rotation
seasons
yiel
d/ha
/kg
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Cumulative Distributions of Soybean Yields (2012-2015)
0.2
.4.6
.81
Pro
babi
lity
27.69 260.1 492.51 724.92 957.33 1189.74
Soybean Yields (kg/ha)
Soybean (no inputs) Fertilized soybean
Inoculated soybeans Inoculated & fertilized soybeans
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Cumulative Distributions of Maize-Soybean Rotation Benefits (2012-2015)
0.2
.4.6
.81
Pro
babi
lity
-153.8 60.02 273.84 487.66 701.48 915.3
Gross value of production (US$)
Continous Maize Maize after soybean (no inoculants)
Maize after fertilized soybeans Maize after inoculated soybeans
Maize after fertlized & inoculated soybeans
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Benefit Cost Ratios (Maize-Soybean Rotation)
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Lessons
• SI technology benefits are context specific (state contingent)• SI technology benefits are most apparent in down-side risk
mitigation
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Adaption of SIMLEZA-AR technologies to farmer circumstances
• Timely weed management – Herbicide use, maintaining recommended mulching levels, intercropping
• Variety choice ( Maize & legume) according to farmer circumstance, seasonal quality and agro-ecological season
• Adapting CA principles to farmer circumstances• Inoculation & rotation of maize and legumes to improve yields