The Threat of Global Fertilizer Overuse

Choked rivers and depleted land

At the start of this decade, a plant scientist in the southern China province of Hunan announced the development of what he called a super rice that was delivering as much as 14 tonnes per hectare, in contrast to the rest of China, with yields of only six tonnes.

Unfortunately, on further investigation, it was discovered that he was putting more than dou…

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