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Researchers: Nitrogen fertilizer remains in soils, leaks towards groundwater

from e! Science News

Nitrogen fertilizer applied to crops lingers in the soil and leaks out as nitrate for decades towards groundwater — "much longer than previously thought," scientists in France and at the University of Calgary say in a new study. Thirty years after synthetic nitrogen (N) fertilizer had been applied to crops in 1982, about 15 per cent of the fertilizer N still remained in soil organic matter, the scientists found. more


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