[1]
Sanzonowicz, C. and Mielniczuk, J. 2014. Sources, levels and methods of potassium application in soil. Pesquisa Agropecuaria Brasileira. 20, 2 (Apr. 2014), 189–195. DOI:https://doi.org/10.1590/S1678-3921.pab1985.v20.15049.