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《Journal of Anhui Agricultural Sciences》 2008-13
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Study on the Field Experiment on the "3414" Fertilizer Efficiency Test of Wheat in Shouxian County

HU Feng-gui et al (Shouxian Station of Soil Manure of Anhui Province,Shouxian,Anhui 232200)  
[Objective] The research aimed to provide the basis for scientific fertilization in wheat production.[Method] According to the results of "3414" fertilizer efficiency test of wheat in Shouxian county,the optimum fertilization quantity of N,P and K for wheat in Shouxian county were comprehensively obtained by function method,dissimilar subtraction method of soil fertility and nutrient correction method.[Result] In current wheat production in Shouxian county,N fertilizer was main factor that affected the yield,followed by K fertilizer and the effects of P fertilizer were smaller.The average utilization rate of N,P and K fertilizers were 52.65%,25.15% and 27.28% resp.and the correction coefficients of the average soil nutrient were 0.89,2.37 and 0.70 resp.The nutrient index system was established according to the test results.Under low,middle and high fertility,the determined value of N by the conventional method were 51.21,77.89 and 93.46 mg/kg resp.,the determined value of P were 6.15,13.73 and 26.73 mg/kg resp.and that of K were 41.81,122.82 and 171.07 mg/kg.[Conclusion] Combining with the practical stations of Shouxian county,the recommended fertilization quantity of N,P and K in yellow white soil were 217.5,82.5 and 180.0 kg/hm2 resp.,the recommended fertilization quantity of N and P in yellow silting soil,without K fertilizer.
【CateGory Index】: S512.1
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【References】
Chinese Journal Full-text Database 1 Hits
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