The stability of aggregates and organic carbon content after the application of gypsum, soil scarification and a succession of agricultural crops
Keywords:Soil management, Physical attributes, Soil degradation
Studies related to the monitoring of soil quality by physical attributes are important for the evaluation and maintenance of the sustainability of agricultural systems, besides indicating the appropriate management of the environment, aiming at its conservation and productivity. The objective of this study was to evaluate the stability of aggregates and organic carbon after the application of gypsum, soil scarification and a succession of crops. The treatments consisted of an absence and addition of gypsum, absence and presence of soil scarification, and three systems of crops in succession. The experimental design was made of randomized blocks, in a 2x2x4 factorial scheme, with eight replications. The aggregates were evaluated as stabled in water and soil organic carbon content. The treatment where gypsum was applied, as well as the soybean/maize/brachiaria/fallow (SMBF) succession system, presented better results in soil aggregation and higher levels of organic carbon.
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Copyright (c) 2020 Eduardo Santos Neves dos Santos, Milton César Costa Campos, Fernando Gomes de Souza, Jose Mauricio Cunha, Elyenayra Nogueira Pinheiro, Alan Ferreira Leite de Lima, Wildson Benedito Mendes Brito, Paulo Guilherme Salvador Wadt
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