[1]
Rivera, E., Silva, S. and Vicente-Chandler, J. 1983. Distribution of Pigeon Peas, Cassava, Coffee and Grass Roots in an Ultisol. The Journal of Agriculture of the University of Puerto Rico. 67, 3 (Jul. 1983), 278–285. DOI:https://doi.org/10.46429/jaupr.v67i3.7720.