Performance of Bubbler Irrigation System as Compared to Drip for Large Size Date Palm Tree Farm...

Post on 01-Apr-2015

223 views 4 download

Tags:

Transcript of Performance of Bubbler Irrigation System as Compared to Drip for Large Size Date Palm Tree Farm...

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Performance of Bubbler Irrigation System as Compared to

Drip for Large Size Date Palm Tree Farm

Ahmed I. Al-Amoud

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Water Resources

Traditional Water Resources: Non-Renewable Groundwater: 500 cubic Km

Renewable Groundwater: 950 million cubic meter

Surface Water: 2400 million cubic meter

Non-Traditional Resources:Desalination Water: 1billion cubic meter/year

Treated Wastewater: 500 million cubic meter/year

Drainage Water: 143 million cubic meter/year

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Water for Different Sectors

Agriculture88.3%

Industrial2.7%

Municipal 9.0%

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Water Resources for Agriculture

groundwater 85%

surfacewater 15%

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Total Cultivated Area

200,000

400,000

600,000

800,000

1,000,000

1,200,000

1,400,000

1,600,000

AR

EA

(H

a)

1982 1984 1986 1988 1990 1992 1994 1996 1998 2000

YEAR

Cultivated Area

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Agriculture Water Demand

0

5000

10000

15000

20000

25000

30000

Co

ns

um

ed

Wa

ter,

M. C

ub

ic M

ete

r

1982

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

Years

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Groundwater decline in different region of Kingdom (1993-2003)

-100

10203040506070

Tab

uk-A

lean

ete

Jaw

f-S

kaka

Al-K

harj-

Naj

jan

Al-F

alaj

-1

Al-K

harj-

Als

haba

Qas

sim

-Bur

eida

h

Al-A

hsa-

1

Tab

uk-A

l-wad

i

Hai

l-Alc

alan

ih

Qas

sim

-Shr

i

Al-S

olai

l

Al-A

hsa-

2

Wad

i al-D

awas

ir

Al-F

alaj

-2

Ahs

a-3

Riy

adh-

Sal

bukh

Riy

adh-

bouy

b

Well location

De

clin

e

(m)

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Irrigation Systems In The Kingdom

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Irrigation system Distribution

Traditional32%

Sprinkler60%

Drip8%

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Percentage Areas Irrigation by Different Systems

0.0

10.0

20.0

30.0

40.0

50.0

60.0

70.0

80.0

19

82

19

83

19

84

19

85

19

86

19

87

19

88

19

89

19

90

19

91

19

92

19

93

19

94

19

95

19

96

19

97

19

98

19

99

20

00

Year

Pe

rce

nta

ge

(%

)

Traditional Sprinkler Drip

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Drip Irrigation Development

0

200

400

600

800

1000

1200

1400

1600

1800

2000

Nu

mb

er

1992 1993 1994 1995 1996 1997 1998 1999 2000

Year

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Date Palm Trees

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Importance and Production International Production*

Country Area Harvested (Ha) Production (Mt)

United States 140,000 1,100,000

Saudi Arabia 150,000 995,000

Iran 170,000 880,000

United Arab Emirates 95,000 760,000

Egypt 29,000 750,000

Pakistan 75,000 650,000

Algeria 100,000 450,000

Sudan 18,200 330,000

Oman 30,000 240,000

Libya 26,000 140,000

world 6,700,000

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

National Date Palm Expansion

0

200000

400000

600000

800000

1000000

1200000

1400000

1600000

Tot

al A

gric

. Are

a (H

a)

1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005

Year

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

0

20000

40000

60000

80000

100000

120000

140000

160000

To

tal D

ate

Tre

e A

rea

(H

a)

1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005

Year

National Date Palm Expansion

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

0

100000

200000

300000

400000

500000

600000

700000

800000

900000

1000000

Dat

e P

rodu

ctio

n (t

on)

1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005

Year

National Date Palm Expansion

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

0

5000000

10000000

15000000

20000000

25000000

Tot

al N

umbe

r of

Dat

es

1996 1999 2002 2003 2004 2005

Year

National Date Palm Expansion

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Date Palm Study

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Objectives

Study the following:– Evaluate Existing Bubbler Irrigation

Performance.– Compare Performance of Bubbler by

Drip Irrigation System.

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Methods and Materials

Location : Gassim

Latitude : 26° 45' N

Longitude : 43° 45' E

Altitude : 649 m

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Farm:Number of Trees: 200,000

Farm Area: 5466 Ha

Number of wells: 26

Average Discharge: 1000 GPM

Tree Spacing: 10 m x 10 m

Pump Power: 440 hp

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

– Soil : Sandy Clay Loam soil– Variety : Sukkary cultiver– Tree age : 12 years– No. of trees : 6000 (3 block, 3

plots, 3 replicates)

– Water regime : 100% of class A pan evaporation

Soil, Plant, & Design

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Background

- Annual water requirement :80 m3

- Method of Irrigation :Bubbler- Average irrigation interval :1-2 days

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Pressure CompensatedLine 4

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Irrigation System Layout

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

Emitter Layout

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

RESULTS Water distribution through bubblers in various tree lines.

Plot Line Qave (l/min) Cv Eu (%)

1 13.38 0.34 61.4 5 14.98 0.29 65.6

5

10 14.45 0.28 64.1 1 10.74 0.27 65.7 5 9.23 0.39 55.5

15

9 10.66 0.33 61.1

Water distribution through drippers in various tree lines.

Plot Line Qave (l/min) Cv Eu (%) 1 27.83 0.028 96.2 5 27.16 0.024 96.6

5

10 26.94 0.020 97.3 1 27.12 0.034 94.7 5 27.02 0.017 97.6

15

9 26.33 0.018 97.5

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

02468

101214161820

0 5 10 15 20 25

Tree number

Q l

/min

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

15

20

25

30

35

40

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

Tree number

Q l

/hr

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

0

50

100

150

200

250

300

350

Jun Feb Mar Apr May Jun July Aug Sep Oct Nov Dec

Month

Wat

er r

equ

ried

(L

/day

)

Water requrid

Water add

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008

CONCLUSIONS Bubbler system show poor performance with

55% to 65% emission uniformity. As a result of low uniformity trees at 1st quarter

were over irrigated while trees at last quarter were under irrigated.

Drip lines have shown uniform distribution of an average emission uniformity of 97%.

Design of drip irrigation system for large trees like date palms proves to be more efficient.

20 July, 1999

Seasonal Water Use of Date Palm

16 July 2008