War-induced fertilizer shortage may be reducing US soil and water pollution
(Version anglaise seulement)
par Kimberly Van Meter, Associate Professor of Geography, Penn State
Nandita Basu, Professor and Tier I Canada Research Chair of Global Water Sustainability and Ecohydrology, University of Waterloo
Decades of farmers using more fertilizer than they needed have quietly built up large reserves of nutrients in the soil.
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mercredi 24 juin 2026
