PDF(1297 KB)
PDF(1297 KB)
PDF(1297 KB)
渭北旱塬土地整治新增耕地土壤养分特征及肥力等级评价——以合阳县为例
Soil Nutrient Characteristics and Fertility Grade Evaluation of Newly-increased Farmland in Weibei Dryland: A Case Study of Heyang County
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