soil N土壤氮
soiln.土地;土壤;污物,粪便v.弄污
soil in loess area黄土
soil in rice field水稻土
soil-crop system土壤-作物系统
soil support value土壤支承能力
soil water quality土壤水质
soil microorganism土壤微生物
soil-nailed wall土钉墙
soil change method换土法
soil stalinization土壤盐碱化
soil contamination土壤污染