Efecto de la relación Ca:Mg sobre el establecimiento del Pinus caribaea Morelet var. caribaea Barrett y Golfari en el Purnio, provincia de Oriente
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Abstract
La preparación de suelos juega un papel importante en la reforestación, ya que es un factor decisivo en el futuro crecimiento de las plantaciones. Por tal motivo, se estableció un ensayo, con vista a comparar distintos métodos de preparación de suelos – terrazas individuales, hoyos de plantación y subsolación – así como distintos niveles de fertilización. El lento crecimiento y la escasa supervivencia obtenida en el ensayo, indican que el suelo no es apto para el establecimiento del P. caribaea var. caribaea, posiblemente debido a la alta concentración de magnesio que contiene y a su poca retención de agua. La relación Ca/Mg es de 1:5. Es necesario investigar más profundamente el efecto de la relación Ca/Mg sobre la dinámica de los nutrientes en el suelo y su toxicidad perjudicial al desarrollo del género Pinus.
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