They studied the sun's movement and also paid attention to other natural changes such as air temperature, water and plant growth.

他们研究了太阳的运动，还关注了其他自然变化，如气温、水和植物生长。

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Saline soils, which have high concentrations of sodium chloride and other salts, limit plant growth, and research continues to focus on developing salt-tolerant varieties of agricultural crops.

盐碱地含有高浓度的氯化钠和其他盐类，限制了植物的生长，研究继续集中于开发耐盐的农作物品种。

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Red light has been known to accelerate plant growth.

众所周知，红光可以使植物加速生长。

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They say this suggests that changing plants to save more water will not affect plant growth.

VOA: special.2010.01.26

It limits plant growth. But brown streak can destroy a crop.

VOA: special.2010.06.08

Some of the experiments focus on studying how orbiting in space can affect the human body and plant growth.

VOA: standard.2010.04.05

And atmospheric carbon dioxide enhances plant growth, which greenhouse gardeners have known for decades.

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This means no artificial fertilizers, chemical pesticides, herbicides, plant growth regulators or genetically modified organisms.

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An increasingly early Arctic spring could increase plant growth by up to 25%.

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