Gomes, F.T. et al. 2002. Influence of limestone rates with different calcium:magnesium ratios on shoot dry matter yield and mineral composition of alfalfa. Pesquisa Agropecuaria Brasileira. 37, 12 (Dec. 2002), 1779–1786. DOI:https://doi.org/10.1590/S1678-3921.pab2002.v37.6531.