What factors determine the degree to which salt accumulates in irrigated soil?

The degree to which salt accumulates in soil depends on numerous factors. Some of the more important ones are:

• Movement of water through the soil
• Evapotranspiration (ET): the extraction of water from soil by plants' roots, transpiration (transport of water within plants), and evaporation of water from the leaves and stems of plants
• Leaching fraction (LF): the portion of irrigation water that infiltrates past the root zone

To learn more about one of these factors, click on the appropriate underlined phrase.

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