TY - JOUR AU - Irizarry, Héber AU - Rivera, Edmundo PY - 1983/07/01 Y2 - 2024/03/29 TI - Nutrient and Dry Matter Contents of Intensively Managed Cassava Grown on an Ultisol JF - The Journal of Agriculture of the University of Puerto Rico JA - JAUPR VL - 67 IS - 3 SE - Articles DO - 10.46429/jaupr.v67i3.7715 UR - https://revistas.upr.edu/index.php/jaupr/article/view/7715 SP - 213-220 AB - Intensively managed, properly fertilized cassava grown on a typical Ultisol had a total of 204, 12, 222, 86, and 33 kg/ha of N, P, K, Ca, and Mg, respectively, at 10 months of age, and yielded 37.5 metric tons/ha of marketable roots. Leaf contents of about 4.3, 0.12, 1.8, 1.4, and 0.4% of N, P, K, Ca, and Mg, respectively, 6 months after planting indicated adequate fertilization. ER -