Open AccessSugarcane filter cake application to coffee crop and soil physical attributes
Author(s) -
José Luiz Rodrigues Torres,
Ana Carolina Marques Mendonça Silva,
Haroldo Silva Vallone,
Dinamar Márcia da Silva Vieira,
Zigomar Menezes de Souza,
Ernane Miranda Lemes
Publication year - 2021
Publication title -
rama
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.146
H-Index - 7
eISSN - 2176-9168
pISSN - 1981-9951
DOI - 10.17765/2176-9168.2021v14n2e7997
Subject(s) - filter cake , oxisol , environmental science , agronomy , soil water , sowing , bulk density , water content , crop , mathematics , soil science , environmental engineering , engineering , biology , geotechnical engineering
Filter cakes are solid organic byproducts of the sugarcane industry that are generally used as fertilizers for crops such as coffee. Filter cake application has improved soil chemical, physical and microbiological attributes, especially for weathered soils. This study aimed to evaluate the influence of filter cake applications on the soil attributes cultivated with coffee in a Cerrado region. The study was conducted in a commercial coffee crop area (coffee cultivar Topázio MG 1190) in a Dystrophic Oxisol. The experimental design used was randomized blocks, in a factorial scheme of 4 x 4, with four doses of filter cake applied in the planting furrow (0, 4, 8, 12 L m-1) and four soil depths (0-0.1, 0.1-0.2, 0.2-0.3, 0.3-0.4 m). Soil density, soil mechanical resistance to root penetration, moisture, porosity (micro, macro, and total) and aggregate stability were evaluated. In general, the application of sugarcane filter cake over a long period has little effect on the soil's physical attributes, regardless of the filter cake rate used in the coffee crop. Only the soil porosity is affected by 12 L m-1 of filter cake, increasing the micro and macroporosity of the soil and promoting adequate conditions for the growth of coffee root, which can generate large soil water retention, benefiting coffee crops in the long-term.