Prevention and cure are very difficult by agritechnology for soil salinization of sheltered farmland.
保护地土壤次生盐渍化防治是设施栽培中普遍存在的技术难题。
By use of GSLIB software, a contour map is drawn, which can be used for irrigation management and prevention of salinization of soil.
利用GSLIB软件，绘制了该县土壤含盐量和地下水含盐量等值线图，为该地区水土管理、防止土壤盐渍化提供了决策依据。
According to the soil observation data, it analysed the present situation, developing trends and prevention way of soil salinization in the Honsibao Irrigation Area of Ningxia.
依据土壤详查资料，分析探讨了宁夏红寺堡灌区土壤盐化现状、发展趋势及防治途径。
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