The roots of melon plants perform less efficiently under the low-oxygen conditions present in rainsoaked soil.

在雨水浸泡的土壤中，低氧条件下的瓜类植物的根部效率很低。

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We aerate the soil allowing oxygen to be present in small amounts through our anthills.

我们给土壤充气，允许氧气通过我们的蚁丘而少量充满在土壤中。

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Recent findings have revealed the implications of black carbon in global biogeochemical cycles of carbon and oxygen through its contribution to the slow cycling of soil organic carbon pool.

新近的研究证实，黑碳通过在缓慢的土壤有机碳库中的循环，对全球碳和氧的地球生物化学循环起到极其重要的作用。

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If anything, the soil seemed inimical to life: there was so much iron in it that any whiff of oxygen was quickly bound into rust.

NEWYORKER: The Martian Chroniclers