Farm soil determines environmental fate of phosphorus
Monday, December 17, 2012 - 19:00
in Earth & Climate
Brazil's soybean yields have become competitive with those of the United States and Argentina, but the soil demands a lot of phosphorus, which is not renewable. In the United States, meanwhile, historical applications of the fertilizer have polluted waterways. What accounts for these problems? It's the soils, according to a new study comparing agriculture in the three countries.