Soilamo索伊拉莫soiln.土地；土壤；污物，粪便v.弄污soil water properties土壤水分性能soil-constant plant恒土植物soil-hardness meter土壤硬度计soil Cd contamination土壤镉污染soil dispersing agent土壤分散剂soil moisture storage土壤储水量Soil surface strength土壤表面强度soil organisms repair土壤生物修复soil-borne diseases土传病害soil erosion quantity水土流失量