Efecto de NPK sobre las posturas de Pinus maestrensis en vivero y en campo
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Abstract
En este trabajo se presentan los resultados alcanzados en un estudio para conocer los efectos de los macro elementos NPK sobre las posturas, en vivero de P. maestrensis Bisse. Se utilizó un diseño San Cristóbal con 12 tratamientos y tres réplicas. Se evaluaron los índices supervivencia y altura. Se comprobó que las posturas responden positivamente cuando se hacen aplicaciones de estos elementos en dosis convenientes. Los tratamientos N0 P3 K0,1, N0 P3 K0 yN0,2 P1,5 K0,15 mostraron los mejores resultados. El fósforo es determinante para el crecimiento en altura y para la supervivencia. El nitrógeno influye positivamente en la altura pero deprime la supervivencia a partir de dosis medias. La aplicación de los tres elementos brinda los mejores rendimientos.
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