soil age土壤年龄
soiln.土地;土壤;污物,粪便v.弄污
Soil water content before rainfall雨前土壤含水量
soil fertility management practice培肥措施
soil physieo-ehemieal properties土壤理化性质
soil-foundation-superstructure地基-基础-上部结构
Soil Resource Information Database土壤资源信息
Soil hydrology-physics character土壤水文物理性质
soil particle-size distributions土壤粒径分布
soil moisture characteristic curve土壤水分特征曲线