次生盐渍化土壤
soil of secondary salinization
secondary salinization
土壤盐渍化
Soil salinization
soil salinization dynamic
Salinization
Soil salinisation
soil-salinization
soil salification tendency
Salination soil
salinization of soil
land salinization
gansu
非均匀土壤区域
heterogeneous soil region
焦化区土壤
The soil of coking suburbs
区域土壤侵蚀模型
regional soil erosion model
区域土壤水分测量
regional soil moisture measurement
区域土壤水盐动态
regional soil water-salt movement
区域土壤允许流失量
regional soil loss tolerance