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2010•Anhui nongye kexueRequires access

Study on the Fertilization Effect and Fertilizer Use Efficiency of Rapeseed in East Hubei

Yaoxue Zhang

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Abstract

[Objective] The research aimed to study the effect of nitrogen(N),phosphorus(P) and potassium(K) fertilization and the fertilizer use efficiency of rapeseed and provide the basis for the high yield of rapeseed.[Method] The influence of the application amount of N,P and K fertilizer on rapeseed yield and profit were studied by the 3414 fertilizer experiment.[Result] The results showed that the highest increment of N,P and K were 1 785,532 and 212 kg/hm2,and the net income of N,P and K were enhanced 5 443,1 468 and 35 Yuan/hm2,respectively.Except AE(agronomic efficiency) of K fertilizer,AE of N and P fertilizer and PFP(partial factor productivity) of N,P and K fertilizer on rapeseed had negative relationship with application rate of fertilizer.[Conclusion] The combination of N,P and K fertilization and soil fertility was important in rapeseed production.

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What this paper is about

[Objective] The research aimed to study the effect of nitrogen(N),phosphorus(P) and potassium(K) fertilization and the fertilizer use efficiency of rapeseed and provide the basis for the high yield of rapeseed.[Method] The influence of the application amount of N,P and K fertilizer on rapeseed yield and profit were studied by the 3414 fertilizer experiment.[Result] The results showed that the highest increment of N,P and K were 1 785,532 and 212 kg/hm2,and the net income of N,P and K were enhanced 5 443,1 468 and 35 Yuan/hm2,respectively.Except AE(agronomic efficiency) of K fertilizer,AE of N and P fertilizer and PFP(partial factor productivity) of N,P and K fertilizer on rapeseed had negative relationship with application rate of fertilizer.[Conclusion] The combination of N,P and K fertilization and soil fertility was important in rapeseed production.

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Available abstract

[Objective] The research aimed to study the effect of nitrogen(N),phosphorus(P) and potassium(K) fertilization and the fertilizer use efficiency of rapeseed and provide the basis for the high yield of rapeseed.[Method] The influence of the application amount of N,P and K fertilizer on rapeseed yield and profit were studied by the 3414 fertilizer experiment.[Result] The results showed that the highest increment of N,P and K were 1 785,532 and 212 kg/hm2,and the net income of N,P and K were enhanced 5 443,1 468 and 35 Yuan/hm2,respectively.Except AE(agronomic efficiency) of K fertilizer,AE of N and P fertilizer and PFP(partial factor productivity) of N,P and K fertilizer on rapeseed had negative relationship with application rate of fertilizer.[Conclusion] The combination of N,P and K fertilization and soil fertility was important in rapeseed production.

Key concepts: Rapeseed, Fertilizer, Human fertilization, Agronomy, Phosphorus, Potash, Yield (engineering), Potassium

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