甜椒对不同形态氮素的吸收利用有显著差异。
The absorption and utilization of different form of nitrogen in sweet pepper were studied.
采用水培方法研究了不同形态氮素和饼肥浸提液对烤烟光合生理特性的影响。
A pot experiment was conducted to study the effects of different nitrogen nutrition on photosynthetic characteristics in tobacco leaves.
水培条件下研究了不同形态氮素对植物铁素营养的影响，以及铁对植物氮素代谢的影响。
The effect of different N fertilizer forms on plant iron nutrition and the role of iron in plant N metabolism were studied under nutrient condition.
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