Physical and Chemical Attributes of Yellow Oxisol With the Application of Cassava Wastewater After Intensive Mechanical Preparation

Iara Oliveira Fernandes, José Fernandes de Melo Filho, Karolina Oliveira Rocha Montenegro, Ésio de Castro Paes, Sergio Ricardo Matos Almeida, João Albany Costa and Franceli da Silva

Journal of Agricultural Science, 2024, vol. 11, issue 6, 113

Abstract: The objective of this work was to evaluate the effect of the application of cassava wastewater in the production of dry mass of the spontaneous vegetation and in the physical and chemical attributes of a Dystrocohesive Yellow Oxisol submitted to intensive mechanical preparation in the Bahia Recôncavo. The experimental design was a 2 × 2 factorial scheme in 4 randomized blocks, the bands consisting of the intensity of the mechanical preparation of plowing followed by sorting- T0- without preparation; T1- 4 preparations; T2- 8 preparations and T3- 12 preparations; the first factor is the presence of cassava wastewater- M-with cassava wastewater; W-only water and the second factor presence or not of vegetation- CV-with vegetation and SV-without vegetation. The results of the analysis of soil attributes in the depth of 0.0-0.15 m showed that the pH, saturation by base (V%), macroporosity (Ma) and total porosity (TP) decreased linearly with the increase of the intensity of the mechanical preparation, however soil density (SD) increased. The application of cassava wastewater reduced the resistance to penetration (PR), pH and Ca2+ and V% of the soil and increased the dry mass productivity of the spontaneous vegetation and the contents of phosphor.

Date: 2024
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