It was clear that the leaching loss rate of the mixed application of inorganic nitrogenous fertilizer and organic fertilizer was larger than that of only inorganic nitrogenous fertilizer and the morphology of the leaching loss was mainly nitric nitrogen. 明确了配施有机肥比化学氮肥单施氮素淋失率大,且淋失的形态均以NO3-N为主。