Title: Study on Fertilizer Efficiency and Recommended Fertilizer Amount of N and P and K on Deyou 8
Abstract: With Deyou 8 as the material,the effects of different fertilizer treatments with N,P,K on yield and economic benefit of rape were studied.The results showed that the effect of N on rape was the best.The highest yield gain of rape in treatments with N,P,K were 1 582,467 and 133 kg/hm2 with increasing rates of 105.2%,19.3%,4.8% and net income increase of 3 068,895,-288 yuan/hm2 resp.According to the fitted fertilizer efficiency model,the application amount of N,P2O5,K2O with the highest yield of rape was 237.45,106.41 and 152.73 kg/hm2 resp.and the most economical application amount of them was 201.84,77.28 and 0 kg/hm2 resp.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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