Cabral, Carlos E.A., Carla H.A. Cabral, Alyce R.M. Santos, Kassio S. Carvalho, Edna M. Bonfim-Silva, Luiz J.M Motta, Jenifer S. Mattos, Letícia B. Alves, and Ana P. Bays. 2020. “Ammonium Sulfate Enhances the Effectiveness of Reactive Natural Phosphate for Fertilizing Tropical Grasses”. Tropical Grasslands-Forrajes Tropicales 8 (2):86-92. https://doi.org/10.17138/tgft(8)86-92.