[1]
Vicente-Chandler, J. et al. 1966. High Crop Yields Produced with or without Tillage on 3 Typical Soils of the Humid Mountain Region of Puerto Rico. The Journal of Agriculture of the University of Puerto Rico. 50, 2 (Apr. 1966), 146–150. DOI:https://doi.org/10.46429/jaupr.v50i2.3721.