Politicians urged to preserve finite phosphorous supply

SciDevNet: Global policies are needed to promote technologies and farming practices that will help preserve phosphorous, a nutrient essential to increasing crop yields and ensuring food security, a conference has heard. Phosphorous is commonly applied to crops in the form of phosphate fertilisers. But these are often inefficiently managed, Arno Rosemarin, senior research fellow at the Stockholm Environment Institute, told the Sustainable Phosphorous Summit 2014 last week (1-3 September) in Montpellier, France.......

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