Comportamiento a escala de producción de cinco tamaños diferentes de bolsas de polietileno para producir posturas de Pinus caribaea y Eucalyptus saligna
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Abstract
Se resumen los resultados alcanzados en un estudio piloto con Pinus caribaea y Eucalyptus saligna en dos localidades de la provincia de Pinar del Río en las que se probaron cinco tipos diferentes de envases y se informa además, sobre el comportamiento de dos experimentos con 18 meses de edad establecidos con P. caribaea en Viñales y Topes de Collantes. En la escala de pilotaje los resultados alcanzados muestran, palpablemente, que las variantes cuyas dimensiones son 12,5 cm x 15,0 cm; 9,0 cm x 20,0 cm y 9,0 cm x 15,0 cm ofrecen sustanciales ventajas con respecto al testigo. Para tales variantes, los estimados de beneficio económico van desde 42 hasta 60% de reducción de costos anuales por concepto de economía de polietileno y ahorro de materiales, disminución en las dimensiones de los viveros, abaratamiento del transporte y la distribución de posturas en el sitio de plantación. Sobre la base de los resultados obtenidos se ofrecen recomendaciones para iniciar la introducción a escala de producción.
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