...网 关键词：冬小麦；施氮量；有机无机配施；产量；土壤硝态氮 [gap=1424]Key words： winter-wheat； nitrogen fertilizer rate； combined application of organic manure and chemical fertilizer；yield；soil NO3-..
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Studies were conducted on the effect of nitrogen fertilizer kinds on growth, photosynthetic rate, yield, value and content of aromatic matter of Oriental tobacco.
研究了不同氮肥种类对香料烟生长、光合速率、产量、产值及香气物质含量的影响。
The growth rate and moving biomass of Kentucky bluegrass turf were affected by the quantity of nitrogen fertilizer.
氮肥用量是提高草地早熟禾草坪生长速率和修剪量的主要因素。
So choosing and breeding maize variety of highly nitrogen fertilizer utilization rate based on different maize genotype is a positive and efficient measure to the problem.
针对这一情况，一种积极有效的措施就是根据玉米基因型存在差异而选育氮高效玉米品种。
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