NR activity was higher in early stage and then lower.
灌浆前期硝酸还原酶活性较高，后期迅速降低。
Examines the NR activity of leaves from 39 clones of eucommia plus.
本文对39个杜仲优树无性系叶片的硝酸还原酶活力进行了测定。
The results showed that the growth, nitrate absorption and NR activity are much lower in the deficiency calcium callus than the normal callus.
结果表明，缺钙后，愈伤组织生长、硝酸盐吸收、NR活性等都比正常钙培养下的愈伤组织降低。
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；
The results showed that the allelopathic effects of extracts from Root-zone soil of Panax notoginseng on root length, seedling height, and fresh weight and NR activity of notoginseng were different.
为了探讨三七根区土壤提取物对三七幼苗的化感作用，以不同极性三七根区土壤提取物对三七幼苗进行生物测定。
The activity of NR degraded as the grouting course conducting.
硝酸还原酶活性随灌浆进程的推进呈逐渐降低的趋势。
The trend of the change of activity of NR took on as single apex in the whole growth stage.
硝酸还原酶活性在整个生育期内呈单峰曲线变化。
Grain protein content was positive correlation to NR and GS activity in flag leaves and GOGAT activity in grains, and was negative correlation to GOGAT activity in flag leave for all water treatment.
不同水分处理下籽粒蛋白质含量与叶片nr、GS和籽粒GOGAT活性均呈正相关，与旗叶gogat活性呈负相关。
Grain protein content was positive correlation to NR and GS activity in flag leaves and GOGAT activity in grains, and was negative correlation to GOGAT activity in flag leave for all water treatment.
不同水分处理下籽粒蛋白质含量与叶片nr、GS和籽粒GOGAT活性均呈正相关，与旗叶gogat活性呈负相关。
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