A adoção de práticas que minimize os impactos ambientais e melhoria da fertilidade do solo para exploração agrícola tem sido realizada com maior frequência. O presente trabalho teve como objetivo avaliar a qualidade do solo em áreas com diferentes doses de vinhaça e torta de filtro sobre os atributos químicos do solo. O experimento foi realizado na Estação Experimental do IPA, Vitória de Santo Antão - PE, constituído de dois tratamentos e cinco níveis de aplicação de doses de vinhaça 0;19,42; 77,68; 155,36 e 310,72 m3 ha-1) e cinco doses de torta de filtro (0; 2,75; 11,0; 22,0 e 44,0 t ha-1), em blocos casualizados com quatro repetições. Os dados obtidos foram submetidos à análise de variância e de regressão, utilizando o software SAS, com níveis de significância de 5% para o teste F. Com relação aos atributos químicos do solo tratados com torta de filtro foram verificados efeitos lineares significativos (p<0,05) para os teores de fósforo, cálcio e capacidade de troca de cátions (CTC) no solo. Relacionado a vinhaça foi verificado efeito quadrático significativo (p<0,05) proporcionando redução no teor de fósforo no solo, posteriormente, ocorrendo incremento de 8,88% com a dose máxima aplicada. Os resíduos aplicados torta de filtro e vinhaça promoveram melhoria nas propriedades químicas do solo potencializando seu uso na agricultura. Application of Waste from the Sugar Alcohol Industry in Soil as a Way to Mitigate Environmental Impacts A B S T R A C TThe adoption of practices that minimize environmental impacts and improve soil fertility for agricultural exploitation has been carried out with greater frequency. This work aimed to evaluate the soil quality in areas with different doses of vinasse and filter cake on the chemical attributes of the soil. The experiment was carried out at the IPA Experimental Station, Vitória de Santo Antão - PE, consisting of two treatments and five levels of application of vinasse doses 0; 19,42; 77.68; 155.36 and 310.72 m3 ha-1) and five doses of filter cake (0; 2.75; 11.0; 22.0 and 44.0 t ha-1), in randomized blocks with four replications. The data obtained were submitted to analysis of variance and regression, using the SAS software, with significance levels of 5% for the F test. Regarding the chemical attributes of the soil treated with filter cake, significant linear effects were verified (p < 0.05) for phosphorus, calcium and cation exchange capacity (CTC) in the soil. Related to vinasse, a significant quadratic effect (p <0.05) was observed, providing a reduction in the phosphorus content in the soil, subsequently, with an increase of 8.88% with the maximum applied dose. The residues applied filter cake and vinasse promoted an improvement in the chemical properties of the soil, enhancing its use in agriculture.Keywords: filter cake, vinasse, soil attributes, conditioners, fertility.
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