Drip irrigation was used in grape production in eastern foot of Helan Mountain in Ningxia for many years .The secondary soil salinization became to appear in recent year.Hazards of irrigation to soil was analyzed.Research directions of controlling secondary soil salinization were put forward under non-fertile period.The research can provide theoretical basis for controlling secondary soil salinization in agricultural production.%宁夏贺兰山东麓葡萄产地多年使用滴灌进行农业生产,导致该区域的土壤次生盐渍化.分析灌溉对土壤的危害,指出非生育期防治次生盐渍化的方向,可为该区域土壤次生盐渍化的防治提供理论依据.
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