2012WWK-PPT-Large Scale Precision Irrigation in Asia by E. Robert Meaney
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Transcript of 2012WWK-PPT-Large Scale Precision Irrigation in Asia by E. Robert Meaney
7/31/2019 2012WWK-PPT-Large Scale Precision Irrigation in Asia by E. Robert Meaney
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Lar e Scale
Precision
Irri ation
in
AsiaProspects and problems
.
Valmont Industries, Inc.
28 August 2012
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"Asia's food and feed demand is expected to double by 2050. Relying
on trade to meet a large part of this demand will impose a huge and
politically untenable burden on the economies of many developing
system, which accounts for 70 percent of the world's total irrigated
an .
Colin Chartres, August 2009
3
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Irri ated Hectares
of Top Irrigated Countries
(in millions)
India 62
China 60
United States 25
Pakistan 19
Iran 9
Indonesia 7
Thailand 6
Mexico 6
Bangladesh 5
4Source: ICID 2010
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• –
• No leveling
of
land
•
Farmer
makes
watering
decision• us a na e use o groun or sur ace wa er
• Low energy cost
• Low capital cost per hectare
• Use as main water source or as supplement
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8Cotton – North America
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9Oranges – South Africa
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10Soybeans – North America
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11Rice – North America
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12Potatoes – North America
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13
Coffee – Brazil
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14Pasture Land – New Zealand
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15Sugar Cane ‐ Mauritius
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. . vs. U.S. Irrigation Water Usage
25,000,00070030
20,000,000
500
600
d a y
P
i v o t I r r i
25
15,000,000400
e r s
o n
p e r
g a t e d
a c r e
20
15
5 000 000
10,000,000
200
l l o n s p e r
( i n m i l l i o
10
00
100
1970 1975 1980 1985 1990 1995 2000 2005
Gs ) 5
0
Pivot Irrigated acres Irrigation water usage
USDA Farm and Ranch Survey & USGS “Estimated Use of Water in the United States in 2005.”
16
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Hectares Irrigated by Method ‐ USA
Permanent 3%
Hand Move 3% Traveler 1%
Side Roll 3%
Permanent 2%
Hand Move 2%
Traveler 1%
Drip 4%
Drip 8%
Pivot/Linear 35%
Pivot/Linear 51%
Flood 50%
Flood 33%
1998 (20M Ha.) 2012 Est. (23M Ha.)
15% of Cro land
17
Source: 1998, 2003, 2008 Farm and Ranch Irrigation Surveys
USDA, National Agricultural Statistics Service (2012 estimates by Valmont Irrig.)
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Market Segments
•Greenhouses•Cereal
Grains
•High Value Crops
•<30 Hectares
•Forage
•Large Open
Fields
• Irregular Plots•>30 Hectares
•
Potatoes
•Tree Cro s
•Vegetables•Sugar Cane
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19Source: Kansas State University, Valmont (2012)
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Span 1—1.0 Ha
Span 2—2.9 Ha
Irrigated Area per Span
pan — . a
Span 4—6.7 Ha
Span 5—8.6 Ha
Span 6—10.5 Ha
Span 7—12.4 Ha
Span 8—15.6 Ha
Span 9—17.9 Ha
Span 10—22.3 Ha
Overhang—9.2 Ha
20Source: Valmont
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Source: Valmont 21
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