有效水分贮量的英文

• productive moisture reserve

• 有效:    effective; valid; efficaciou ...
• 水分:    moisture content; dew; humid ...
• 有效水分:    available moisture capacity; available water; chresard; effective moisture
• 生理有效水分:    physiological available water
• 土壤有效水分:    available moisture of the soil; available soil moisture