Pinheiro, Sérgio L. G., Edgar A. Lanzer, and Nevio J. Nuernberg. “Economic Evaluation of Liming and Phosphate Fertilization in Alfalfa on the Highlands of Santa Catarina State, Brazil”. Pesquisa Agropecuaria Brasileira 28, no. 10 (October 1, 1993): 1109–1119. Accessed May 29, 2026. https://apct.sede.embrapa.br/pab/article/view/3976.