...播稻氮素利用和产量的影响 关键词：氮肥运筹；秸秆还田；直播稻；产量形成；氮素利用 [gap=1876]Key words： nitrogen regimes； returning straw； direct-sowing rice； yield forming； N utilization ..
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文章详细信息 关键词： 水稻;;氮肥运筹;;产量;;氮肥利用率 [gap=1249]Keywords: Rice;Nitrogen fertilizer management;Yield;N use efficiency
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The appropriate nitrogen management remarkably improved soybean yield.
7．适宜氮肥运筹方式提高套作大豆产量。
参考来源 - 氮肥运筹对套作大豆生长发育影响的研究The effect of N application amount and basal: top dressing ratio and plant density on spike number was much greater than that on grain number per spike and grain weight.
施氮量、氮肥运筹比例和密度对扬农啤2号产量的影响主要是调节穗数，其次粒数和粒重。
参考来源 - 扬农啤2号大麦优质高产栽培技术及其调控机制Nitrogen application had obvious effects on the ratio of amylase to amylopectin,and the ratio increased with the increment of nitrogen fertilizer dosage and topdressing nitrogen fertilizer ratio.
氮肥运筹技术直支比具有明显的调控作用,供试品种的淀粉直支比均随氮肥用量的增加和追肥比例的增加而提高。
参考来源 - 氮肥运筹技术对冬小麦产量和品质的影响The effects of different nitrogen application on rice quality were that the brown rice ratio、milled rice ratio、head rice ratio and chalk ratio、chalkiness were all descended with the N-application rate increased, the rice quality was better at the treatment 6:4~5:5.
不同氮肥运筹下稻米品质表现为:出糙率、精米率、整精米率以及垩白率和垩白度随前期施氮比例的增加呈下降的趋势,在5:5～6:4施氮比例上各品质指标均较好。
参考来源 - 太湖地区水稻优化施氮模式及其环境效应的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
通过不同氮肥运筹方式，探讨淦鑫688的吸氮特性及其对群体发育和产量形成的影响。
Ganxin688 was studied for its characteristics of nitrogen absorbability and their impact on the population development and yield formation.
在大田试验条件下，研究密度与氮肥运筹对弱筋小麦品种宁麦9号植株氮代谢变化的影响，分析氮素运转与籽粒品质、产量的关系。
Effects of plant density and nitrogen fertilizer on nitrogen metabolism of weak-gluten wheat varieties Ningmai 9 with good grain quality were studied.
氮肥的运筹方式是调节产量结构的最有效方式，合理施用氮肥是提高大豆产量的有效途径。
Nitrogen application is the most effective way to adjust of the structure of yields. The rational nitrogen fertilizer technology is one of the available measures for improving the soybean yields.
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