非均匀土壤区域
heterogeneous soil region
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
区域土壤盐渍化
Regional soil salinization
区域土壤允许流失量
regional soil loss tolerance
高速公路路域土壤
Soil of highway road area
根区和非根区土壤
soil of root-zone and non root-zoon