Effects of optimum fertilization on the quality and yield of wheat

The effects of four kinds of fertilizer such as nitrogen phosphate potassium zinc on the yield and quality of wheat were studied by applying the orthogonal rotary designThe results indicated that correlations between N、P and yield,N and wet gluten content were significantly positive, but the correlations between P and wet gluten content were significantly negative,and there was no significantly correlations between K 、Zn and yield,K、Zn and qualityAccording to analysis of the function model, the yield responses to the four factors were in order of NPZnk,and wet gluten content responses in order of NPKZn.Analysis shows the reasonable yield and quality were obtained when the N level was 2528～2942kg/hm2、P2O5 1110～1391 kg/hm2、K2O 1458～1530 kg/hm2、ZnSO4 98～121kg/hm2,and the proportion of N、P2O5、K2O and ZnSO4 were 1046055004