Publicado

2019-10-01

Design of a surface response model to determine the optimal value for wood volume in Acacia mangium Willd, by applying different doses of biochar to the soil

Diseño de un modelo de superficie de respuesta para determinar el valor del volumen de madera en Acacia mangium Willd, mediante la aplicación de diferentes dosis de biocarbón al suelo

Palabras clave:

surface response, harvest residues, agroecosystem, organic manure (en)
superficie de respuesta, residuos de cosecha, agroecosistema, abono orgánico (es)

Autores/as

The low fertility of soils of the eastern plains of Colombia makes it necessary to search for methods of improving different soil properties. Fertile soils increase yields of different crops in the region, and particularly agroforestry agroecosystems will increase wood volume. Including stabilized waste residues such as biochar will probably increase fertility. The objective of this research was to estimate the optimal volume of Acacia mangiumwood that can be obtained, when using two fertilizers applied to the soil at two levels, fitting a central composite design with star points. In the model, two levels of treatment were applied: 40 and 80 ton · ha-1of biochar and 50 and 100 g per plant ofsynthetic fertilizer 15-15-15. The optimum wood volume was found at 8566.9 cm3when the biochar was combined with 63.1 ton·ha-1and 15-15-15 at a dose of 84.4 g per plant.

La baja fertilidad de suelos de las llanuras orientales de Colombia hace necesario buscar métodos para mejorar diferentes propiedades de los suelos. Los suelos fértiles aumentarán el rendimiento de los diferentes cultivos de la región y, en particular, los agroecosistemas agroforestales aumentarán el volumen de madera. Incluir residuos de desechos estabilizados como el biocarbón probablemente aumentará la fertilidad. El objetivo de esta investigación fue estimar el volumen óptimo de madera de Acacia mangium W a obtener, utilizando dos fertilizantes aplicados al suelo ados niveles, ajustando un diseño compuesto central con puntas de estrella. En el modelo, se aplicaron dos niveles de tratamiento: 40 y 80 ton·ha-1de biocarbón y 50 y 100 g por planta de fertilizante sintético 15-15-15. El volumen óptimo de madera se encontró en 8566.9 cm3cuando se combinó el biocarbón con 63.1 ton -ha-1 y 15-15-15 a una dosis de 84.4 g por planta.

Citas

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