| This study was conducted from 2012 to 2014 at Jujia village,Jujia town,Changwu County,Shaanxi Province. This experiment took Changhan 58 as the material and five different fertilization treatments were set up,including no fertilization model (control),farmer model,recommended model,high-yield model,and high-yield nitrogen reduction model. This study was conducted to explore the effects of yield and its components of wheat and analyse the benefits. The results showed that the grain yield of wheat was significantly increased under different fertilization modes,with the increase rate of 4.1% to 32.3% compared with the control,and 0.2% to 21.1% compared with that under farmer model. Under different fertilization modes,the number of ears was increased by 13.0% to 45.4%compared with the control,and by 1.1% to 27.1% compared with that under farmer model; the grain number per spike was decreased by 2.9% to 16.2% compared with the control,which was 0.3%to 11.2% lower than that under farmer model; the thousand kernel weight was decreased by 0.6%to 7.8% compared with that of control. The income of high-yield nitrogen reduction model was increased by 3.8% to 13.4% compared with that of control,but other models did not increase income but production. For the farmers fertilization model,reducing the application of N fertilizer and increasing P and K fertilizers can improve yield and fertilizer benefit; for the recommended fertilization model,adding P fertilizer and K fertilizers has significant effect on increasing yield and efficiency. |
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