“3414” Fertilization Effects and Fertilizer Recommendation of Corn in Xingshan County

The fertilization effects and recommended fertilization quantity of corn in Xingshan county were studied via 7 3414 fertilizer experiments.The results showed that N fertilizer application had the best positive effects on the yield of corn and could averagely increase 31.0% of the yield compared to the treatment without N fertilizer,followed by K fertilizer,then was P fertilizer.The application rates of N,P2O5,and K2O for the maximum yield were 403,144 and 193 kg/hm2 respectively,and that for the optimum yield were 380,123,and 129 kg/hm2 respectively.