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Environmental, Campaign & Website News > Deforestation hits nutrient cycle

Deforestation hits nutrient cycle

Date : 19th December 2007, Source : BBC Link to News Story

The benefits of cutting down tropical forests in order to convert the nutrient-rich soil into farmland are only short-lived, scientists suggest. US researchers studied deforested land in Mexico and found that soil levels of phosphorus, a key nutrient for plants, fell by 44% after three growing cycles. In the long-term, the land risked becoming so degraded that it would be uneconomic to farm, they added. The findings appear in the Proceedings of the National Academy of Sciences.

Document last updated on Wednesday 01 August 2018

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