Soilan索伊兰soiln.土地；土壤；污物，粪便v.弄污soil total porosity总孔隙度soil-salinization土壤盐渍化soil-nailing wall土钉墙soiling particulate脏污的颗粒物质soil characteristic土的特性soil exchangeable K速效钾soil water resource土壤水资源soil heat radiation土壤热辐射soil weed seed bank土壤杂草种子库soil and vegetation土壤-植被