Soil Dynamics in Carbon, Nitrogen, and Soil Enzymatic Activity under Maize-Green Manure Cropping Sequences

Cassio Hamilton Abreu-Junior; Wanderley José de Melo; Roberto Alves de Oliveira; Paulo Henrique Silveira Cardoso; Raíssa de Araujo Dantas; Rodrigo Nogueira de Sousa; Dalila Lopes da Silva; Thiago Assis Rodrigues Nogueira; Arun Dilipkumar Jani; Gian Franco Capra; Gabriel Maurício Peruca de Melo

doi:10.20944/preprints202408.2136.v1

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preprints.org > environmental and earth sciences > soil science > doi: 10.20944/preprints202408.2136.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Soil Dynamics in Carbon, Nitrogen, and Soil Enzymatic Activity under Maize-Green Manure Cropping Sequences

Cassio Hamilton Abreu-Junior

^* ,

Wanderley José de Melo

Roberto Alves de Oliveira

Paulo Henrique Silveira Cardoso

Raíssa de Araujo Dantas

Rodrigo Nogueira de Sousa

Dalila Lopes da Silva

Thiago Assis Rodrigues Nogueira

Arun Dilipkumar Jani

Gian Franco Capra

Gabriel Maurício Peruca de Melo

Version 1 : Received: 28 August 2024 / Approved: 29 August 2024 / Online: 29 August 2024 (17:05:43 CEST)

How to cite: Abreu-Junior, C. H.; Melo, W. J. D.; Oliveira, R. A. D.; Cardoso, P. H. S.; Dantas, R. D. A.; Sousa, R. N. D.; Silva, D. L. D.; Nogueira, T. A. R.; Jani, A. D.; Capra, G. F.; Melo, G. M. P. D. Soil Dynamics in Carbon, Nitrogen, and Soil Enzymatic Activity under Maize-Green Manure Cropping Sequences. Preprints 2024, 2024082136. https://doi.org/10.20944/preprints202408.2136.v1 Abreu-Junior, C. H.; Melo, W. J. D.; Oliveira, R. A. D.; Cardoso, P. H. S.; Dantas, R. D. A.; Sousa, R. N. D.; Silva, D. L. D.; Nogueira, T. A. R.; Jani, A. D.; Capra, G. F.; Melo, G. M. P. D. Soil Dynamics in Carbon, Nitrogen, and Soil Enzymatic Activity under Maize-Green Manure Cropping Sequences. Preprints 2024, 2024082136. https://doi.org/10.20944/preprints202408.2136.v1

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MDPI and ACS Style

Abreu-Junior, C. H.; Melo, W. J. D.; Oliveira, R. A. D.; Cardoso, P. H. S.; Dantas, R. D. A.; Sousa, R. N. D.; Silva, D. L. D.; Nogueira, T. A. R.; Jani, A. D.; Capra, G. F.; Melo, G. M. P. D. Soil Dynamics in Carbon, Nitrogen, and Soil Enzymatic Activity under Maize-Green Manure Cropping Sequences. Preprints 2024, 2024082136. https://doi.org/10.20944/preprints202408.2136.v1

APA Style

Abreu-Junior, C. H., Melo, W. J. D., Oliveira, R. A. D., Cardoso, P. H. S., Dantas, R. D. A., Sousa, R. N. D., Silva, D. L. D., Nogueira, T. A. R., Jani, A. D., Capra, G. F., & Melo, G. M. P. D. (2024). Soil Dynamics in Carbon, Nitrogen, and Soil Enzymatic Activity under Maize-Green Manure Cropping Sequences. Preprints. https://doi.org/10.20944/preprints202408.2136.v1

Chicago/Turabian Style

Abreu-Junior, C. H., Gian Franco Capra and Gabriel Maurício Peruca de Melo. 2024 "Soil Dynamics in Carbon, Nitrogen, and Soil Enzymatic Activity under Maize-Green Manure Cropping Sequences" Preprints. https://doi.org/10.20944/preprints202408.2136.v1

Abstract

Diversification of cropping sequences has a positive impact on soil organic carbon, while improving nutrient cycling and crop yields. The objective of this research was to assess amylase and cellulase activity, C and N dynamics, and maize yield on a low fertility Oxisol in the Brazilian Cerrado. The experiment was conducted under field conditions during three maize crop succession cycles. Treatments consisted of cultivating maize during the summer, after sorghum and lablab cropped as green manure and fallow during the winter. Higher maize yields were achieved by sorghum-maize succession compared to monocropping, due to higher N fertilizer and biomass in-puts to topsoil. Sorghum-maize succession also provided a higher proportion of stable C and N compared to other successions. Maize yields declined as tropical soil fertility intrinsically de-creased along three crops succession cycles. Cellulase activity decreased over time, whereas amylase activity increased as the plant residues were already in advanced stages of decomposition. The sorghum-maize crop succession stood out compared to lablab and fallow as it provided the high-est maize yields, while, maintaining higher C and N levels, and amylase activity. This better performance was likely due to larger amounts of incorporated biomass and better mineral N fertilizer management.

Keywords

Sorghum bicolor; Lablab purpureus; amylase; cellulase; soil management

Subject

Environmental and Earth Sciences, Soil Science

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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