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The Cultivation Technique for High Yield of Qianheiqiao 1 (a Buckwheat Variety) under Spring Sowing Condition

MAO Chun1,YANG Yuan-ping2,YANG Jing-dong3,CHENG Guo-yao1,ZHU Shu-guo1(1.Weining Institute of Agricultural Sciences,Weining,Guizhou 553100;2.Bijie Institute of Agricultural Sciences,Bijie,Guizhou 551700;3.College of Biotechnology Industry,Chendu University,Chendu,Sichuan 610106,China)  
The quadratic regression orthogonal rotational combination design was used to study the relationship between its yield and sowing quantity,N amount,P2O5amount,K2O amount in Qianheiqiao 1 under spring sowing condition.The mathematical model for high yield of Qianheiqiao 1 was established.The optimum cultivation measures for more than 3 000 kg/hm2 includes 35.94 to 42.39 kg/hm2of sowing quantity,30.83 to 38.17 kg/hm2 of N,174.23 to 215.77 kg/hm2 of P2O5 and 58.88 to 68.30 kg/hm2of K2O.
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