TY - JOUR AU - Ramírez, Carmen T. AU - Abruña, Fernando AU - Lozano, José AU - Vicente-Chandler, José PY - 1975/01/01 Y2 - 2024/03/29 TI - Effect of Fertilization on Yields of Three Varieties of Rice at Two Locations in Puerto Rico JF - The Journal of Agriculture of the University of Puerto Rico JA - JAUPR VL - 59 IS - 1 SE - Articles DO - 10.46429/jaupr.v59i1.10623 UR - https://revistas.upr.edu/index.php/jaupr/article/view/10623 SP - 1-4 AB - Intensively managed irrigated rice of 3 varieties on a Vertisol typical of large areas in the tropics responded strongly to the application of 200 pounds of nitrogen per acre but not to phosphorus fertilization. Bluebonnet and Chontalpa varieties responded to the application of 200 pounds of potassium per acre, the Sinaloa variety to 300 pounds. All varieties responded strongly to the application of 40 pounds per acre of a complete minor element mixture. ER -