Application of nitrogen(N) fertilizer is one of the most important measures to increase grain yield and improve grain quality of winter wheat.However,it is common that excessive N fertilizer is applied in fertile field,which results in higher amount of nitrate(NO-3-N) accumulation in the soil,bringing potential risks to the environment.Nitrogen(N) application strategies were evaluated to determine the extent to which these treatments could reduce nitrate(NO-3-N) leaching.With normal density treatments,six f...
修改评论