叶龄诊断法和常规施肥方法在不同施肥条件下产量分析  

Leaf Age Diagnosis Method and the Conventional Methods of Fertilization under Different Fertilization Yield Analysis

作　　者：薛英会[1] 陈琦[1] 

机构地区：[1]黑龙江省农业科学院绥化分院,黑龙江绥化152052

出　　处：《北方水稻》2015年第2期14-16,34,共4页North Rice

摘　　要：实验对叶龄诊断法和常规施肥方法在不同施肥条件下的产量进行分析,结果表明:叶龄诊断法施用氮肥比常规施肥法增产3.9%,能够较科学合理的根据水稻叶龄需肥量而施肥,有效提高氮肥利用率,减少对环境污染。在施N 69.0 kg/hm2、P2O546.0 kg/hm2、K2O 23.5 kg/hm2时,叶龄诊断法产量最高达到8 452.9 kg/hm2。Through this experiment, leaf age diagnosis method and the conventional fertilization methods under different fertilization conditions yield analysis, results showed that： the leaf age diagnosis method applying nitrogen fertilizer pro-duction than conventional method 3.9%, can be more scientific and reasonable according to the fertilizer demand of rice leaf age and fertilization, effectively improve the utilization rate of nitrogen fertilizer, reducing environmental pollution.Application of N 69.0 kg/hm2, P2O546 kg/hm2, K2 O 23.5 kg/hm2, leaf age diagnosis method yield up to 8 452.9 kg/hm2.

关 键 词：叶龄诊断施肥方法 常规施肥方法 施肥量 产量 

分 类 号：S511.062[农业科学—作物学]