Modeling of NO3--N Leaching Loss for Typical Farmland in Liangwanghe River Catchment of Fuxianhu Lake Watershed

Hai Ying Gao

doi:10.4028/www.scientific.net/AMR.610-613.3154

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 610-613Modeling of NO3--N Leaching Loss for Typical...

Modeling of NO₃^--N Leaching Loss for Typical Farmland in Liangwanghe River Catchment of Fuxianhu Lake Watershed

Abstract:

According to the actual condition of farmland cultivation, rainfall, soil texture and so on, to correct the calculation methods of NO₃^--N vertical movement in SWAT model, and setup a NO3--N vertical movement model that is suitable for Liangwanghe river catchment, the model was used to simulate the mass of soil NO3--N leaching of farmland surface and compare with the observation value. The result illustrated that simulation value is evident correlativity with groundwater NO₃^--N increasing value at the same time segment. It indicated the model that was setup is right.