Influência do biocarvão de lodo de esgoto e Priestia sp. na fertilidade do solo

Autores

  • José Nathanael Ferreira de Andrade Academic Unit of Agricultural Engineering, Center for Technology and Natural Resources, Universidade Federal de Campina Grande, Campina Grande, PB, Brazil https://orcid.org/0000-0002-2439-4142
  • Josely Dantas Fernandes Academic Unit of Agricultural Engineering, Center for Technology and Natural Resources, Universidade Federal de Campina Grande, Campina Grande, PB, Brazil https://orcid.org/0000-0002-1297-6962
  • Lúcia Helena Garófalo Chaves Academic Unit of Agricultural Engineering, Center for Technology and Natural Resources, Universidade Federal de Campina Grande, Campina Grande, PB, Brazil https://orcid.org/0000-0002-9905-2315
  • Laysa Gabryella de Souza Laurentino Academic Unit of Agricultural Engineering, Center for Technology and Natural Resources, Universidade Federal de Campina Grande, Campina Grande, PB, Brazil https://orcid.org/0000-0002-7852-0052
  • Sinthya Kelly Queiroz Morais Academic Unit of Agricultural Engineering, Center for Technology and Natural Resources, Universidade Federal de Campina Grande, Campina Grande, PB, Brazil https://orcid.org/0000-0001-5397-2952
  • Gustavo Tomio Magalhães Kubo Academic Unit of Agricultural Engineering, Center for Technology and Natural Resources, Universidade Federal de Campina Grande, Campina Grande, PB, Brazil https://orcid.org/0000-0003-2101-9600
  • Weslley Bruno Belo de Sousa Academic Unit of Agricultural Engineering, Center for Technology and Natural Resources, Universidade Federal de Campina Grande, Campina Grande, PB, Brazil https://orcid.org/0000-0002-9119-2575
  • Andre Alisson Rodrigues da Silva Academic Unit of Agronomy, Universidade Federal do Oeste do Pará, Juruti, PA, Brazil https://orcid.org/0000-0001-9453-1192

DOI:

https://doi.org/10.1590/1983-21252025v3812600rc

Palavras-chave:

Microorganism. Pyrolysis. Soil properties.

Resumo

Objetivou-se com este estudo avaliar, após o período de incubação do solo com biocarvão, a influência da interação entre biocarvão de lodo de esgoto e Priestia sp. na fertilidade do solo. A pesquisa foi realizada em Campina Grande-PB, utilizando 4 doses de biocarvão (0, 5, 10 e 15 t ha-1) e 4 doses de Priestia sp. (0, 1.5 × 106, 1.5 × 107, 1.5 × 108 UFC mL-1), no delineamento inteiramente casualizado com 3 repetições, totalizando 48 unidades experimentais. Após 104 dias de incubação do solo com os tratamentos acima citados, biocarvão x Priestia sp. foram coletadas amostras do solo das unidades experimentais e analisadas quimicamente. O biocarvão influenciou significativamente todas as variáveis químicas avaliadas. Priestia sp. afetou a maioria das variáveis, com exceção da condutividade elétrica, sódio e cálcio. A interação entre biocarvão e Priestia sp. influenciou os teores de fósforo, pH, magnésio e hidrogênio + alumínio. De forma geral, os efeitos isolados do biocarvão e da Priestia sp. promoveram aumentos nos teores de carbono e cálcio no solo. A interação entre os fatores favoreceu o aumento do fósforo disponível e variações no pH, mantendo-o em faixa adequada para a disponibilidade de nutrientes, evidenciando o potencial da combinação na melhoria da fertilidade do solo.

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Publicado

19-09-2025

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Artigo Científico