High-efficient balanced fertilization for good quality and high yield of wheat-corn,vegetables in Henan Province

By field trial on wheat,it is found that when nitrogen and phosphate fertilizer are applied together(270 kg N/hm2 and 120 kg P2O5/hm2),the optimal potassium fertilizer is 180 kg K2O/hm2 and the best wheat yield is 6 880 kg/hm2.On maize,225 kg N/hm2 and 120 kg P2O5/hm2 together,the optimal potassium fertilizer is 180 kg K2O/hm2 and the best maize yield is 7 640 kg/hm2.On radish,300 kg N/hm2 and 225 kg P2O5/hm2 together,the optimal potassium fertilizer is 300 kg K2O/hm2 and the best radish yield is 79 860 kg/hm2.On cabbage,300 kg N/hm2 and 225 kg P2O5/hm2 together,the optimal potassium fertilizer is 300 kg K2O/hm2 and the best radish yield is 95 050 kg/hm2.