Atributos químicos do solo em sistema agroflorestal de gliricídia consorciado com palma forrageira
Journal Title: Revista Verde de Agroecologia e Desenvolvimento Sustentável - Year 2017, Vol 12, Issue 2
Abstract
In this study, we aimed to assess the chemical attributes of a soil fertilized with organic matter, in an agroforestry system. The experiment was carried out at the Miguel Arraes agricultural experiment station of the National Semiarid Institute (INSA), located in Campina Grande, Paraíba, Brazil. Experimental design consisted of a randomized block with four replications. We applied four treatments of organic fertilization: (HS) Humic Substances; (SW) Seaweeds; (B) Bokashi; and (C) control treatment, without fertilization. Soil samples were collected at 0-20 cm depth, placed in plastic bags and taken to laboratory for the following chemical analysis: pH, potassium (K+), sodium (Na+), phosphorus (P), calcium (Ca2+), magnesium (Mg2+), soil organic matter (SOM), sum of bases (SB), cation exchange capacity (CEC), base saturation (V%) and Soil Quality Index (SQI). Organic fertilizers applied to the soil did not affected pH, P, K+, Na+, Al3+ and CEC. Humic substances treatment increased the availability of Mg2+, while seaweeds treatment increased the Ca2+, SB, V% and SOM levels.
Authors and Affiliations
Maria Iza de Arruda Sarmento, Ednaldo Barbosa Pereira Junior, Aldrin Martin Pérez-Marin, Aline Carla de Medeiros, Patrício Borges Maracajá, José Cezario de Almeida
Keywords
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- EP ID EP253857
- DOI 10.18378/rvads.v12i2.4921
- Views 113
- Downloads 0
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