TY - JOUR AU - Hopkins, E. F. AU - Pagán, Víctor AU - Ramírez Silva, F. J. PY - 1944/04/01 Y2 - 2024/03/28 TI - IRON AND MANGANESE IN RELATION TO PLANT GROWTH AND ITS IMPORTANCE IN PUERTO RICO JF - The Journal of Agriculture of the University of Puerto Rico JA - JAUPR VL - 28 IS - 2 SE - Articles DO - 10.46429/jaupr.v28i2.12877 UR - https://revistas.upr.edu/index.php/jaupr/article/view/12877 SP - 43-101 AB - Resumen en inglés. ER -