soil and water loss rate
caculation method of universal soil loss equation
distributed soil loss model
key zones for soil loss control
Monitoring annual soil loss
Ratio of soil loss and groundwater-exploitation
Ratio of soil loss to groundwater-exploitation
regional soil loss tolerance
revised universal soil loss equation
simulation of soil loss
soil loss
水土流失
土砂流失
土壤流失量
侵蚀产沙
土壤侵蚀
土壤流失
地层损失
土体损失
土壤丢失
土壤损失
土壤璃