Nitrogen application inhibited the synthesis of protein at early stage and this effect died away with the development of seeds.
施氮抑制籽粒形成前期蛋白质的合成，随着籽粒形成，抑制现象逐渐消逝。
The dynamics of various soil nitrogen pool after nitrogen fertilizer application at wheat seedling stage was studied by pot experiment and 15n trace technique.
应用盆栽试验和15n标记技术研究了小麦苗期施入N肥后土壤不同N库的动态。
As supplement nitrogen application at booting stage, nitrogen efficiency was the lowest.
孕穗期追施氮肥，氮效率最低。
A field experiment was set up to study the effect of different nitrogen application levels and density levels on root in peanut seedling stage.
通过大田试验研究不同密度和氮肥水平对花生苗期根的影响。
The relationship between nitrogen application at different stage and super high yielding wheat senescence in its later growing stage was studied in this paper.
本文研究了不同生育时期追施氮肥与超高产小麦后期衰老的关系。
It was observed that the application of nitrogen fertilizer at booting stage could increase glutenin content markedly, which was favorable for the improvement of wheat processing quality.
孕穗期施氮可以明显提高子粒麦谷蛋白的含量，有利于小麦加工品质的改善。
The nitrogen accumulation in cotton boll-shell, cottonseed, cotton fiber and single boll were significantly affected by the nitrogen application rates and their blooming stage.
铃壳、棉籽、纤维及单铃氮素累积受施氮水平和开花期的影响。
In the late stage of flue-cured tobacco growth, under the same level of leaf number, leaf NR activity and root activity increased and then decreased with the increase of nitrogen application.
烤烟生长发育后期，同一留叶数条件下，叶片NR活性、根系活力随着施氮量的增加呈先升高后降低的趋势；
In the late stage of flue-cured tobacco growth, under the same level of leaf number, leaf NR activity and root activity increased and then decreased with the increase of nitrogen application.
烤烟生长发育后期，同一留叶数条件下，叶片NR活性、根系活力随着施氮量的增加呈先升高后降低的趋势；
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