穗肥不同施用时期对寒地水稻的影响  

The Effect of Different Timing of Panicle Fertilizer on Rice in Cold Area

作　　者：余国锋 徐洪斌 陈秋雪 

机构地区：[1]黑龙江省八五六农场,黑龙江鸡西158418

出　　处：《北方水稻》2012年第3期39-40,共2页North Rice

摘　　要：通过试验研究穗肥不同施用时期对寒地水稻的影响,结果表明,在水稻倒3叶期施用穗肥,水稻产量最高,产量比不施用穗肥提高13.66%;在水稻倒4叶期施用穗肥,水稻植株含氮量最高,穗肥氮素利用率为28.57%。The effect of different timing of panicle fertilizer on rice were researched by test,the result indicated that the highest yield can be achieved by using panicle fertilizer at the stage of last three leaves which can increase 13.66% than no fertilizer.The highest nitrogen content of plant can be achieved by using panicle fertilizer at the stage of last four leaves and the use ratio of N was 28.57%.

关 键 词：寒地水稻 穗肥 施用时期 含氮量 产量 

分 类 号：S147.23[农业科学—肥料学]