soil Cr土壤铬soiln.土地；土壤；污物，粪便v.弄污soil pressure sealed cabin土压密封舱soil anti-shear strength土壤抗剪强度soil moisture conservation土壤水分保持Soil pollution degradation土壤污染退化soil labile organic matter土壤活性有机碳soil protective efficiency土壤保持效率Soil-borne microorganism根际微生物Soil moisture availability土壤水分有效性soil structure conditioner土壤结构改良剂Soil-cement curing agent水泥土固化剂