Chinese farming practices are acidifying soils

Mongabay: A new study in Science shows that farming practices in China are acidifying the nation's soils and threatening long term productivity at a time when food concerns worldwide have never been higher. The culprit is the increasing use of nitrogen fertilizer. "Chinese agriculture has intensified greatly since the early 1980s on a limited land area with large inputs of chemical fertilizers and other resources," the authors note, pointing out that nitrogen fertilizer consumption in China ......

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