Sandy Soil Quality and Soybean Productivity in Medium-Duration Agricultural Production Systems

Leonardo de Lima Froio, Eduardo Augusto Pontes Pechoto, Moisés Vinícius Garcia Garruti, Deyvison de Asevedo Soares, Bianca Midori Souza Sekiya, Viviane Cristina Modesto, Nelson Câmara de Souza Júnior (), Vitória Almeida Moreira Girardi, Naiane Antunes Alves Ribeiro, Aline Marchetti Silva Matos, Gelci Carlos Lupatini and Marcelo Andreotti
Additional contact information
Leonardo de Lima Froio: Department of Plant Health, Rural Engineering and Soils, College of Engineering, São Paulo State University—UNESP-FEIS, Ilha Solteira 15385-000, SP, Brazil
Eduardo Augusto Pontes Pechoto: Department of Plant Health, Rural Engineering and Soils, College of Engineering, São Paulo State University—UNESP-FEIS, Ilha Solteira 15385-000, SP, Brazil
Moisés Vinícius Garcia Garruti: Department of Plant Health, Rural Engineering and Soils, College of Engineering, São Paulo State University—UNESP-FEIS, Ilha Solteira 15385-000, SP, Brazil
Deyvison de Asevedo Soares: Department of Agronomy, Campus of Uberaba, Associated Colleges of Uberaba—Fazu, Uberaba 38061-500, MG, Brazil
Bianca Midori Souza Sekiya: Department of Plant Health, Rural Engineering and Soils, College of Engineering, São Paulo State University—UNESP-FEIS, Ilha Solteira 15385-000, SP, Brazil
Viviane Cristina Modesto: Department of Plant Health, Rural Engineering and Soils, College of Engineering, São Paulo State University—UNESP-FEIS, Ilha Solteira 15385-000, SP, Brazil
Nelson Câmara de Souza Júnior: Department of Plant Health, Rural Engineering and Soils, College of Engineering, São Paulo State University—UNESP-FEIS, Ilha Solteira 15385-000, SP, Brazil
Vitória Almeida Moreira Girardi: Department of Plant Health, Rural Engineering and Soils, College of Engineering, São Paulo State University—UNESP-FEIS, Ilha Solteira 15385-000, SP, Brazil
Naiane Antunes Alves Ribeiro: Department of Plant Health, Rural Engineering and Soils, College of Engineering, São Paulo State University—UNESP-FEIS, Ilha Solteira 15385-000, SP, Brazil
Aline Marchetti Silva Matos: Department of Plant Health, Rural Engineering and Soils, College of Engineering, São Paulo State University—UNESP-FEIS, Ilha Solteira 15385-000, SP, Brazil
Gelci Carlos Lupatini: College of Agronomic and Technological Sciences, Sao Paulo State University “Julio de Mesquita Filho”, Dracena 17900-000, SP, Brazil
Marcelo Andreotti: Department of Plant Health, Rural Engineering and Soils, College of Engineering, São Paulo State University—UNESP-FEIS, Ilha Solteira 15385-000, SP, Brazil

Agriculture, 2025, vol. 15, issue 6, 1-22

Abstract: The adoption of integrated production systems may be an alternative for improving soil health and increasing production. The aim of this study was to evaluate changes in soil fertility and microbial metabolism, as well as the impact on soybean productivity, in different conservation systems in contrast to the conventional system, after four years of adopting integrated systems. The experimental design used was a randomized block design with seven treatments and three replications. The treatments included different species of forage grasses, the no-tillage soybean–maize system in succession, and conventional planting. It was found that after four years of using integrated systems, the changes in soil health were small, indicating that these effects are seen over the long term. Soil chemistry showed that the use of forage grasses is essential for improving fertility, with a focus on phosphorus, potassium, magnesium, sulfur, base sum, and cation exchange capacity, which is reflected in the high soybean productivity in treatments with forage grasses, especially the use of Paiaguás and Piatã grasses. Even with slow changes in soil health, adopting integrated systems is an important practice for tropical sandy soils, as visible improvements in fertility were observed, which are reflected in productivity gains.

Keywords: forage grasses; no-tillage system; soil health (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2025
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