When agricultural practices take place in arid environments, large
supplies of fresh water are required for crop irrigation (Ewel, 1999).
Therefore, as it is fornatural ecosystems,water is oftenone of themostimportant limiting factors for agriculture in arid lands. In many arid
regions around the world, irrigation agriculture leads to unsustainable
land uses,which has resulted in the rapid abandonment of large
agricultural areas in recent years (Halvorson et al., 2003).
When agricultural practices take place in arid environments, large
supplies of fresh water are required for crop irrigation (Ewel, 1999).
Therefore, as it is fornatural ecosystems,water is oftenone of themostimportant limiting factors for agriculture in arid lands. In many arid
regions around the world, irrigation agriculture leads to unsustainable
land uses,which has resulted in the rapid abandonment of large
agricultural areas in recent years (Halvorson et al., 2003).
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