da Silva, Maria Sonia Lopes, and Mateus Rosas Ribeiro. 1995. “Influence of Continuous Sugarcane Cropping on Chemical Properties of Clayer Soils”. Pesquisa Agropecuaria Brasileira 30 (3):389-94. https://doi.org/10.1590/S1678-3921.pab1995.v30.4319.