soiltex土壤酸度试剂soiln.土地；土壤；污物，粪便v.弄污Soil aggregate distribution土壤水稳性团聚体分布soil aggregate dispersivity分散性soil and fertilizer science土壤肥料学soil erosion classification土壤侵蚀分类soil penetration resistance土壤穿透阻力soil infiltration body size湿润体大小soil water desorption curve土壤脱水曲线soil genetic classification土壤侵蚀分类Soil organic carbon storage土壤有机碳储量soil-resource information土壤资源信息