西南紫色土坡耕地农作物-耕层质量适宜性的耦合度诊断
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Coupling Degree Diagnosis on Suitability Evaluation of Cultivated-Layer Quality for Slope Farmland in Purple Hilly Region of South-Western China
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图1. 坡耕地耕层类型特征聚类分析 |
Fig. 1. Cluster analysis of plowing type of slope farmland |
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