Importance of subsurface fluxes of water, nitrogen and phosphorus from rice paddy fields relative to surface runoff
Agricultural Water Management(2019)
摘要
•Simplified model was developed to estimate subsurface fluxes.•Subsurface fluxes of nutrient losses dominated in drier rice cropping areas.•Precipitation determines relative importance of subsurface fluxes to surface runoff.•Spatially flexible set for mitigating nutrient losses is needed for paddy fields.
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关键词
Nitrogen,Phosphorous,Leaching,Surface runoff,Paddy rice,Hydroclimatic condition
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