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| Description: Today, 70% more water is withdrawn for irrigation than in 1960 The amount of irrigated land has doubled Crop yields can double Only 45% of water is absorbed by crops via “flood and furrow” irrigation Overirrigation leads to waterlogging, salinization, and lost farming income Most national governments subsidize irrigation Water mining = withdrawing water faster than it can be replenished Picture Stats: Views: 239 Filesize: 114.65kB Height: 773 Width: 1301 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35836 |