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 results showed that am fungi has an obvious effect on yield and quality of tobacco leaf under different potassium applied amount.
结果表明，在不同施钾水平下，接种am真菌对烟叶产量、品质具有明显的影响。
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。
Pot and field experiments were conducted to study the effect of am fungi on yield and quality of flue cured tobacco under different potassium applied amount.
通过盆栽和大田试验，研究了施钾和AM真菌对烤烟产量、品质的影响。
Pot and field experiments were conducted to study the effect of am fungi on yield and quality of flue cured tobacco under different potassium applied amount.
通过盆栽和大田试验，研究了施钾和AM真菌对烤烟产量、品质的影响。
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