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《Journal of Henan Agricultural Sciences》 2009-01
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Study on Appling the "3414" Fertilizer Experiment Simulation to Calculate the Fertilization Parameters for Spring Maize

ZHAN Xiu-mei,HAN Xiao-ri,WANG Shuai,YANG Jin-feng,JIANG Lin-lin(College of Land and Environment Science,Shenyang Agricultral University,Key Laboratory of Agricultural Resource and Environment of Liaoning Province,Shenyang 110161,China)  
In this study,"3414" fertilizer experiment design was applied to calculate the fertilization parameters for spring maize.The results showed that the maximum output calculated from three-factors model was the minimum in the 7 kinds of functions,its investment of fertilizer was the lowest,and the ratio of production and invest was higher than the others.The maximum output calculated from one-factor model was the maximum,in which the maximum output and the ratio of production and invest calculated from K-one-factor model was the highest.The order of optimum yields calculated from the functions were one-factor model two-factor model three-factor model.However the ratio of production and invest was the highest calculated from three-factor model,which can be recommended for fertilization in spring maize.The recommended fertilization parameters of spring maize gotten from three-factor model was N162.8kg/ha,P2O5112.7kg/ha,K2O149.7kg/ha,fertilizer value was 1776 yuan/ha,the optimum yields was 13241kg/ha,the ratio of production and invest was 7.45.
【Fund】: 国家粮食丰产科技工程(2006BAD02A12);; 辽宁省“十一五”农业重大攻关项目(2006215005)
【CateGory Index】: S513
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