土壤发生演化
Pedogenesis and evolution
土壤发生分类
Soil genetic classification
Chinese soil genetic classification
soil genesic classification
土壤发生特性
the pedogenesis characteristics
Soil genesis characteristic
soil genetic characteristics
Taxonomic classification
土壤发生学分类
Soil genetic classification
土壤发生学类型
soil genesis characteristics
土壤发生与演变
Genesis and evolution of soil
杂草发生和生长
occurrence and growth of weed
饱和土壤含水量
saturated soil moisture content
饱和土壤水分运动
the movement of saturated soil water