The plants in these colonies also need tough resilient stems above the soil, stems that can bent a lot but not break as water constantly crashes into them.

这些殖民地的植物也需要坚硬有弹性的茎高于土壤，茎可以弯曲很多，但不会断裂，因为水不断闯入他们。

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Plants could also glow when they need water, to keep irrigation to a minimum.

当植物需要灌水的时候，它们就会发出荧光，这样就可以让灌溉能够最低的限度。

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We also talked about what plants need to grow: sun, water, air, and soil.

我们也谈论了植物需要什么才能生长：阳光，水，空气和泥土。

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Success would not only increase yields, but also reduce the need for water and fertilisers, since C4 plants make more efficient use of both.

ECONOMIST: Genetic modification