During the growing season, leaching can be accomplished by applying extra water so that the amount exceeds the evapotranspiration requirement of the crop. Leaching can also be done by irrigating a field before planting a crop or by irrigating before permanent crops leaf out in the spring. Salts can also be leached after harvest or by winter rainfall if sufficient.
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Part of a series of Drought Tips written and produced by the University of California Division of Agriculture and Natural Resources under an agreement with the California Department of Water Resources.
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