Agronomic Performance of Mineral and Organic Sources of Nutrients for Maize and Wheat Crops

A combination of mineral and organic source of nutrients was tested in a field experiment, aiming to evaluate its effects on soil chemistry and on maize and wheat productivity. Data showed clearly the potential for the use of shale limestone as a source of Ca, Mg and S, Granodiorite as a source of K and Tung press cake residue as a source of N. https://www.researchgate.net/publication/295099176_Anais_do_II_Congresso_Brasileiro_de_Rochagem_coletanea_de_varios_autores