Ribeiro da Cunha, Paulo César, Pedro Marques da Silveira, Luís Fernando Stone, and Glênio Guimarães dos Santos. 2010. “CHEMICAL ATTRIBUTES OF A SOIL CULTIVATED WITH DIFFERENT COVER CROPS”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics] 40 (3): 283-90. https://doi.org/10.5216/pat.v40i3.5841.