桑干河流域典型粮果农田土壤水盐氮分布特征
李雅丽, 张红娟, 刘孟竹, 徐利, 沈彦军, 裴宏伟
桑干河流域典型粮果农田土壤水盐氮分布特征
Distribution Characteristics of Soil Water, Salt and Nitrogen in Typical Grain and Fruit Farmland in Sanggan River Basin
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