Vargas, M. A. T.; Döbereiner, J. The Effect of Increasing Levels of Lime, Magnesium, Manganese and Boron on the Growth and Nitrogen Fixation of Stylosanthes Guyanensis. PAB 2014, 9 (3), 21-28. https://doi.org/10.1590/S1678-3921.pab1974.v9.17165.