Heavy metals input with phosphate fertilizers used in Argentina.

  title={Heavy metals input with phosphate fertilizers used in Argentina.},
  author={L Giuffr{\'e} de L{\'o}pez Camelo and S Ratto de Miguez and L Marb{\'a}n},
  journal={The Science of the total environment},
  volume={204 3},
Sustainability of conventional agriculture is based upon a high input of agrochemicals, such as phosphate fertilizers. Conventional inorganic phosphorus fertilizers may cause an inadvertent addition of heavy metals, which are contained as impurities. Fertilizers commonly used in Argentina were analyzed to determine concentrations of chromium, cadmium, copper, zinc, nickel and lead. Rock phosphate contained the highest levels of cadmium and zinc, chromium was enhanced in diammonium phosphate and… CONTINUE READING