A pot experiment was conducted to study the effect of root cutting on water use efficiency (WUE) of millet.
通过盆栽试验，研究了伤根对谷子水分利用效率的影响。
A pot experiment was conducted to study the effects of different nitrogen nutrition on photosynthetic characteristics in tobacco leaves.
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 levels of copper in pig feces on photosynthetic characteristics of maize.
采用盆栽试验研究了不同铜浓度的猪粪对玉米光合特性的影响。
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