Further complicating the matter is the use of river water upstream for agricultural irrigation.
Agricultural irrigation along with cattle feed lots located near the plants to take advantage of the co-product distillers grain add to local water demands.
Jain Irrigation has become the world's second-biggest manufacturer of agricultural micro-irrigation systems, behind an Israeli outfit, Netafim.
Instead, governments have tended to try to increase agricultural output through expensive irrigation projects.
Syria will reach the limit of food self-sufficiency in 10-35 years, depending on the effectiveness of its measures to improve irrigation efficiency and agricultural yields, and to control population growth.
For example, technical assistance on the construction of storage facilities such as silos and warehouses, irrigation, roads and agricultural extension programs could be provided.
Miranda ranks high among Venezuelan states in agricultural and pastoral production, and government irrigation projects have resulted in the expansion of its large-scale farming and in the diversification of its agriculture.
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And while some heavy users are pursuing conservation out of necessity agricultural demand is projected to decline as irrigation systems become more efficient others, such as energy companies, may get a stronger signal.
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As most of India's agricultural land depends on rainfall rather than irrigation, variations in monsoon's arrival date can throw into disarray plans for sowing summer crops such as rice, sugar cane, cotton and oilseeds.
Bhavarlal stumbled into his niche when he saw a drip irrigation system in 1985 at an agricultural trade show in Fresno, California.
In recent years, Iranian interests have wound themselves into everything from resources for the Indonesian fuel industry, to Ghanaian banking, to irrigation and oil refining in Sri Lanka, to initiatives by Iran's Ministry of Agricultural Jihad (yes, that's the name) for projects across much of Africa.
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