Economics of salinity management

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With future water supplies for agriculture likely to be increasingly limited, it is important to consider direct use of water of impaired quality — increasing use and resue over time of water with varying levels of total dissolved solids. Plant breeding will provide some salt-tolerant varieties that can produce yields nearly equivalent to those of crops traditionally produced in areas without salinity problems. Harmful physical and economic effects may thus be lessened, but farms in areas unaffected by salt buildup may still be able to produce better quality products at lower cost than those in salt-affected areas.