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Centro Azúcar

versão On-line ISSN 2223-4861

Resumo

CAIRO CAIRO, Pedro; MACHADO DE ARMAS, Joaquín; RODRIGUEZ LOPEZ, Oralia  e  RODRIGUEZ URRUTIA, Alianny. Effects of organo-mineral fertilizers on soil quality and their impact on sugarcane yield. cen. az. [online]. 2017, vol.44, n.4, pp. 12-20. ISSN 2223-4861.

This work was carried out in sugarcane fields with a vertisol pélico type composition in the north coast of Villa Clara province, in the municipality of Sagua La Grande, with the objective of evaluating the effects of organo-mineral fertilizers on the soil quality index and their impact on the sugar cane yield. Three experiments were carried out with organic fertilizers and natural minerals. The organic fertilizers used were compost and sugarcane sludge; and the natural minerals were zeolite and dolomitic limestone. The design used was blocks in fringes. In the experiments, data were used from a soil analysis carried out at depths of 0-20 cm. The following indicators were evaluated: organic matter, stable aggregates, structure factor, permeability, soil quality index, sugar cane yield. The statistical tool of correlations and economic evaluation matrix was used. Soil management with organic fertilizers and their combinations with natural minerals increase the additive soil quality index from 2.88 to 3.98. The results obtained demonstrate the close relationship between organo-mineral fertilizers, the soil quality index, the sugarcane yield and its economic impact.

Palavras-chave : structure; soil quality index; organic matter; yield; vertisol.

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