In theory extra carbon dioxide in the atmosphere should help plants grow faster, though whether this actually happens may also depend on the amount of nitrogen in the soil.

理论上，大气中二氧化碳含量增多会使作物生长加快，实际上，还要看土壤中所含氮成分的多少。

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And in the same soil from which grows the cotton plants, it would be possible that other plants and flowers would grow?

在棉花生长的那片土地上，有可能长出其他植物或花朵吗？

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Vertical farms use hydroponics and aeroponics, soil-free growing techniques once researched by NASA to grow plants in space.

纵向农场使用水耕法和空气种植法，NASA曾经研究无土栽培技术用与在太空中培育植物。

dict.youdao.com

Do your research about the soil conditions in your area, and which plants grow best in it.

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Soil is a living thing just as the plants that grow in it and it needs to be cared for properly.

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