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Article

Physical Attributes of an Irrigated Oxisol after Brassicas Crops under No-Tillage System

by
José Luiz Rodrigues Torres
1,*,
José Carlos Mazetto Júnior
2,
Bruna de Souza Silveira
2,
Arcângelo Loss
3,
Gilsonley Lopes dos Santos
4,
Renato Lara de Assis
5,
Ernane Miranda Lemes
2 and
Dinamar Márcia da Silva Vieira
2
1
Federal Institute of Triângulo Mineiro, Campus Uberaba, St. João Batista Ribeiro, n° 4000, Uberaba 38064-790, MG, Brazil
2
Agricultural Sciences Institute, Federal University of Uberlândia, Campus Glória, Road BR 050, km 78, Uberlândia 38410-337, MG, Brazil
3
Center of Agricultural Sciences, Federal University of Santa Catarina, Itacorubi, Florianópolis 88034-000, SC, Brazil
4
Postgraduate Program in Environmental and Forest Sciences, Federal Rural University of Rio de Janeiro, Seropédica 23890-000, RJ, Brazil
5
Federal Institute Goiano, Campus Iporá, Iporá 76200-000, GO, Brazil
*
Author to whom correspondence should be addressed.
Agronomy 2022, 12(8), 1825; https://doi.org/10.3390/agronomy12081825
Submission received: 5 June 2022 / Revised: 12 July 2022 / Accepted: 27 July 2022 / Published: 31 July 2022

Abstract

In no-tillage areas, cover crops are a continuous supply of organic matter and other positive improvements to the soil’s structural quality. We evaluated soil physical attributes in area cultivated with brassica crops on residues of cover crops cultivated under no-tillage. Six cover crops coverages [1-Brachiaria (B), 2-Sunn hemp (S), 3-Pearl millet (M), 4-S + B; 5-B + M; 6-S + M] and a native area (Cerrado biome), were evaluated for soil resistance to penetration (RP), soil density (SD), soil macroporosity, microporosity, volumetric moisture (VM), weighted mean diameter, geometric mean diameter, and aggregate stability index. RP and VM differed among treatments; no compacted soil layer was observed at up to 0.4 m soil depth; Low RP and SD were observed for Brachiaria and Pearl millet (Poaceae) compared to Sunn hemp (Fabaceae) in deeper soil layers; The principal components and cluster analysis indicated B + M as the most promising coverage for deep soil structuring. The soil physical quality indicators showed that millet in isolated cultivation or intercropped with another cover was the culture that presented the best results for most of the evaluated characteristics. The best indices of soil aggregation were observed where the species of the Poaceae Family were being cultivated in isolation or intercropped with each other.
Keywords: soil porosity; soil resistance to penetration; soil aggregation; winter crops soil porosity; soil resistance to penetration; soil aggregation; winter crops

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MDPI and ACS Style

Torres, J.L.R.; Mazetto Júnior, J.C.; de Souza Silveira, B.; Loss, A.; dos Santos, G.L.; de Assis, R.L.; Lemes, E.M.; da Silva Vieira, D.M. Physical Attributes of an Irrigated Oxisol after Brassicas Crops under No-Tillage System. Agronomy 2022, 12, 1825. https://doi.org/10.3390/agronomy12081825

AMA Style

Torres JLR, Mazetto Júnior JC, de Souza Silveira B, Loss A, dos Santos GL, de Assis RL, Lemes EM, da Silva Vieira DM. Physical Attributes of an Irrigated Oxisol after Brassicas Crops under No-Tillage System. Agronomy. 2022; 12(8):1825. https://doi.org/10.3390/agronomy12081825

Chicago/Turabian Style

Torres, José Luiz Rodrigues, José Carlos Mazetto Júnior, Bruna de Souza Silveira, Arcângelo Loss, Gilsonley Lopes dos Santos, Renato Lara de Assis, Ernane Miranda Lemes, and Dinamar Márcia da Silva Vieira. 2022. "Physical Attributes of an Irrigated Oxisol after Brassicas Crops under No-Tillage System" Agronomy 12, no. 8: 1825. https://doi.org/10.3390/agronomy12081825

APA Style

Torres, J. L. R., Mazetto Júnior, J. C., de Souza Silveira, B., Loss, A., dos Santos, G. L., de Assis, R. L., Lemes, E. M., & da Silva Vieira, D. M. (2022). Physical Attributes of an Irrigated Oxisol after Brassicas Crops under No-Tillage System. Agronomy, 12(8), 1825. https://doi.org/10.3390/agronomy12081825

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