|Authors: ||D.P. Greenwell, J.L. Sibley, A.F. Newby, C.W. Robinson, D.J. Eakes|
Water is essential for drinking, personal hygiene, power production plants, and agricultural food and animal production.
Some 97.5% of the global water supply is unusable salt water.
From the remaining 2.5% of fresh water, only a third can be withdrawn from the environment for use.
Roughly 70% of all the fresh water drawn from the environment is used for irrigated agriculture (Seckler et al., 1998). Because irrigated agriculture consumes such a large percentage of the available fresh water, optimizing irrigation efficiency in all sectors of horticulture and agriculture is critical.
Moe and Rheingans (2006) estimated that 50% less water could be used for irrigation if highly efficient irrigation practices were adopted.
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