Characteristic soil horizons
foundation soil characteristic
Soil characteristic curve
Soil Characteristic Data
soil characteristic list
Soil characteristic parameters
soil genesis
化育作用
土壤发生
土壤化育
土壤化育作用
土壤发育
土壤发生学
成土过程
Soil Genesis Characteristics
Soil genesis classification
Soil genesis properties
bare soil and soil with crop
composite soil nailing soil nailing and micro-pile
Coulomb soil-pressure of part soil
Coupled transport of soil water and soil heat
improving soil and enriching soil fortility
lime-soil compaction soil
movement of soil water and soil salt