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Saucedo Castillo, Orlando; Prado, Renato de Mello; Castellanos González, Leónides; Ely, Nahas; Silva Campos, Cid Naudi; Silva, Gilmara Pereira Da; Assis, Luis Carlos (2015)
Publisher: Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias
Languages: Spanish; Castilian
Types: Article
Subjects: Caña de azúcar, Compuestos orgánicos, Compuestos químicos, Análisis del suelo, Saccharum, Oxidorreductasas, Esterasas, Microbiota del suelo, Abonos, Subproductos de la caña de azúcar, Enzimas, Saccharum spp, Deshidrogenasa, Fosfatasas, Fertilizantes, Cachaza, Organic compound, Dehydrogenase, Phosphatase, Enzymes
El objetivo del trabajo fue evaluar el efecto de diferentes dosis de fertilizante fosfatado con la adición de cachaza sobre la actividad microbiana del suelo, y el contenido de fósforo en el suelo y en plantas de caña de azúcar. El experimento se condujo en condi- ciones de invernadero en Jaboticabal Brasil en 2013, usándose plántulas de caña de azúcar (variedad "CTC 05"). Las unidades experimentales estuvieron constituidas por macetas cargadas con un Hapludox. Se empleó un diseño completamente aleatorizado, con el arreglo factorial de 5x2 y tres repeticiones. Los tratamientos fueron cinco dosis de fósforo: 0, 50, 100, 200 y 400 mg dm -3 y dos niveles de cachaza (ausencia y presencia). Se evaluaron la actividad respiratoria, la fosfatasa ácida y la deshidrogenasa, el carbono soluble, el pH y el tenor de P en el suelo, así como el P acumulado en las plántulas. Se encontró interacción entre las dosis de P y la cachaza para todas las variables, excepto para el pH y el carbono soluble. El fosfato con la adición de cachaza aumentó la actividad microbiana y el fósforo disponible en el suelo, reflejándose en la mayor acumulación de P en las plantas. The objective of the work was to evaluate the effect of different doses of phosphate fertilizer with the addition of sugar cane industry filter cake on the soil microbial activity and soil and plant P concentration in sugar cane. The experiment was carried out in vegetation house at Jaboticabal, Brazil, in 2013, and the sugar cane seedlings variety "CTC 05"was used as tests plant. The experimental units were pots containing Hapludox. A completely randomized design was used, with factorial arrangement of 5x2 and three repetitions. The treatments were five phosphorus doses: 0, 50, 100, 200 and 400 mg dm -3 and two levels of filter cake (absence and presence). Soil respiration, acid phosphatase and dehydrogenase activity, soluble carbon, pH value, soil and plant P concentrations. There was interaction among doses of P and filter cake application for all the variables, except for the pH. The phosphate with the addition of filter cake application for all the variables, except for the pH. The phosphate with the addition of filter cake increased the microbial activity, the value of the pH and de P concentration in the soil, being reflected in a higher accumulation of P in the seedling. Fil: Saucedo Castillo, Orlando. Universidad Central "Marta Abreu" de Las Villas (Cuba) Fil: Prado, Renato de Mello. Universidad Estadual Paulista "Júlio de Mesquita Filho" (Brasil) Fil: Castellanos González, Leónides . Universidad de Cienfuegos (Cuba) Fil: Ely, Nahas. Universidad Estadual Paulista "Júlio de Mesquita Filho" (Brasil) Fil: Silva Campos, Cid Naudi. Universidad Estadual Paulista "Júlio de Mesquita Filho" (Brasil) Fil: Silva, Gilmara Pereira Da. Universidad Estadual Paulista "Júlio de Mesquita Filho" (Brasil) Fil: Assis, Luis Carlos. Universidad Estadual Paulista "Júlio de Mesquita Filho" (Brasil)
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