Effects of the Amount of Nitrogen Fertilizer on the Growth and Yield in Peanut

Under the condition of sufficient P. K. Ca in the Tongyang area, nitrogen fertilizer is, the more the yield becomes. However, it can be restrained by over the amount of 171.0kg per hm 2, when the amount of nitrogen fertilizer is higher, the yield of peanut is lower. Under the condition of high yield cultivation, in this locality, yield of peanut is increased by using suitable nitrogen fertilizer. For this reason, its higher and stable yield is improved.