...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。
The yield increase of K fertilizer was quite high at two rates of nitrogen application, and it closely relative to the content of available K in soil and potassium application rate.
钾肥的增产效率在两种氮肥水平下都较高，单位钾肥的增产量与土壤有效钾含量及施钾量呈极显著负相关；
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