They often have a physiological effect on plant growth.
它们常常对植物生长有生理影响。
But a ten-year study has found that any initial positive effect on plant growth from climate change may soon disappear.
但一项为期十年的研究发现，任何气候变化对植物生长产生的最初积极影响可能很快就会消失。
The cabbage, radish and tomato were conducted with beneficial microecologigal preparation, and its effect on plant growth power, quality and weight of the three vegetables was observed.
采用益微制剂分别在白菜、小萝卜和番茄三种蔬菜作物上进行处理，观测其对三种作物的植株长势、品质和重量的影响。
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