[1]
Samuels, G., González-Vélez, F., Boneta-García, E.G. and Sierra-Bracero, A. 1962. Influence of Potash Fertilizers on Tobacco Yields and Quality on a Mabí Clay. The Journal of Agriculture of the University of Puerto Rico. 46, 3 (Jul. 1962), 183–188. DOI:https://doi.org/10.46429/jaupr.v46i3.12333.