Abstract:

In order to determine the optimum fertilizer application style. The experiment was designed according to orthogonal test with L9(34). The three selected factor were total fertilization amount of nitrogen phosphorus and potassium, nitrogen phosphorus and potassium combination, application of organic manure, application rate in every period. According to all indexes determination of growth traits and economic characters, study of yield in all treatments and accounting economic benefit. The results showed that the optimum fertilizer application style combination total fertilization amount of nitrogen phosphorus and potassium was 900 kg/hm2, which 300 kg/hm2 nitrogen, 225 kg/hm2 phosphorus, 375 kg/hm2 potassium, application of organic manure was 15000 kg/hm2, under the combination, the yield reached 35335.60 kg/hm2, the output value reached 49906.96-61214.35 yuan/hm2.