棉花总吸氮量随著追氮量的增加而增加，但花铃期吸氮量占总吸氮量的比例呈下降趋势。
The total absorption of nitrogen increased with the amount of nitrogen topdressing, but the proportion of absorption nitrogen during the blooming period to total nitrogen were downtrend.
抽穗期施氮肥可提高小麦籽粒的全氮含量、总可溶性蛋白质量及游离态氨基酸与游离态赖氨酸量等。
Applying nitrogen fertilizer at heading stage could enhance contents of total nitrogen, total soluble protein, free amino acids and free lysine in wheat grains.
而由于稀土元素在先期脱氧中大量氧化，其脱氮效果较弱，稀土元素对熔敷金属的总含氮量的影响不显著。
The effect of Re element addition on the nitrogen content in the weld was insignificant due to the oxidization from the early deoxidization stage.
植株干重、子粒氮含量、总吸氮量与产量显著相关，子粒氮含量对产量的直接影响最大。
There are obvious mutuality in the plant biomass, grain N content, Total amount of N absorption with yield, grain N content have maximal immediate effect to yield.
蛋白质的总含量即可由含氮量乘以常数6.25算出。
So total protein content can be determined by multiplying nitrogen by the factor 6.25.
农田生态系统中氮素养分主要的输入项是化肥和有机肥，分别占总投入氮量的58.8%和25.3%。
The major input of N was the N of fertilizer and manure and the percentage was 58.85% and 25.32% of the total input respectively.
农田生态系统中氮素养分主要的输入项是化肥和有机肥，分别占总投入氮量的58.8%和25.3%。
The major input of N was the N of fertilizer and manure and the percentage was 58.85% and 25.32% of the total input respectively.
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