Efecto de la combinación de cinco dosis de fósforo y dos fondos fijos de nitrógeno y potasio sobre la producción del cafeto en un suelo Ferrítico
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Abstract
El experimento se realizó en Pinares de Mayarí, provincia de Holguín en un suelo Ferrítico Púrpura sobre serpentinitas, plantado con C. arabica L. var. «Caturra Rojo» bajo sombra de Pinos (Pinus cubensis), a una distancia de plantación de 2 m x 1 m, para estudiar el efecto sobre el rendimiento del cafeto en fase de fomento de cuatro dosis y un testigo de fósforo (0; 50; 100;150 y 200 kg/ha de P205) en combinación con dos dosis de nitrógeno (200 y 300 kg/ha y dos de potasio (200 y 300 kg/ha de K20), mediante un diseño de bloques al azar con cinco repeticiones. Se comprobó una respuesta altamente significativa de la producción de café cereza al emplear las dosis de fósforo estudiadas y los fondos, así como a la interacción de ambos factores. La utilización de los modelos rectilíneos discontinuos mostró, que la dosis óptima de fósforo para el cafeto en este suelo resultó ser la de 150 kg/ha/año de P205, combinada con el fondo N200K200.
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