There were significant correlation between nitrogen fertilizer applied and the accumulative amount of NH4+-N ,N03--N and TN of the leakage water in the lysimeter of different plots and the coefficient is 0.933*,0.984**,0.982** respectively.

• 而且各小区渗漏计中NH4+-N、NO3--N及TN累积渗漏量与施肥量之间存在显著相关性；R2分别达到0.；933*；