In particular, an increase in the amount of nitrogen applied has the effect of increasing the MPP of potash.
特别是氮肥用量的增加具有提高钾肥边际产量的作用。
The influence of exogenous ground substance affected on NRA increased with the decline of amount of nitrogen applied.
外源基质对NR活性的影响随施氮量提高而下降。
The applied amount of nitrogen had a significant effect on grain yield.
施氮量对杂交稻的产量形成和氮肥利用的影响十分明显。
The biological effect of protectively applied nitrogen on nodulation N-fixing activity, nitrogen forms in Xyloid liquid, and amount of assimilated nitrogen in soybean were studied.
从大豆结瘤、固氮活性、木质部溶质氮形态以及植株同化氮量论证了保护性施氮的生物学效应。
The increase of nitrogen amount applied could improve the activity of enzyme related to starch synthesis at the middle and late filling stage so as to increase the filling rate of starch.
增加施氮量能够提高灌浆中后期淀粉合成有关酶的活性，提高淀粉的积累速率。
The content of exchangeable Al increased with the amount of applied nitrogen as urea.
茶园土壤交换性铝含量随施氮量的提高而增加；
There was significant positive correlation among the applied amount of nitrogen, percentage of diseased plant, index of disease and percentage of yield loss.
施氮量、病株率、病情指数、产量损失率间呈极显著正相关。
The increase amount of residual nitrate N from third harvesting to fifth harvesting was 51.6% of the total amount of applied nitrogen during this period.
从第三季作物收获到第五季作物收获，残留硝态氮的增加量占这一时期氮肥施用量的比例高达51.6%。
The biomass of weed decreased with the increase of the amount of nitrogen fertilizer applied.
施磷和低播种密度均使杂草的密度和生物量显著增加。
The biomass of weed decreased with the increase of the amount of nitrogen fertilizer applied.
施磷和低播种密度均使杂草的密度和生物量显著增加。
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