Busca avançada
Ano de início
Entree


Mechanochemical Activation of Elemental Sulfur Increases Its Bioavailability in the Forage Species Brachiaria Production

Texto completo
Autor(es):
Borges, Roger ; Sotiles, Anne Raquel ; Giroto, Amanda Soares ; Fernandes Guimaraes, Gelton Geraldo ; Wypych, Fernando ; Jablonowski, Nicolai David ; Ribeiro, Caue
Número total de Autores: 7
Tipo de documento: Artigo Científico
Fonte: ACS AGRICULTURAL SCIENCE & TECHNOLOGY; v. 2, n. 6, p. 8-pg., 2022-11-30.
Resumo

Although sulfur is an essential macronutrient for plants, its supply through elemental S-0 is not efficient, demanding its oxidation by soil microbiota before plant uptake. Thus, we demonstrate that a simple reactive mechanochemical route, using anhydrous KOH as a reactant with no need for water addition, can convert S-0 to bio-absorbable oxidized forms, leading to residual K+ as a plant nutrient in the final composition. The powdery products obtained by 1 h (S-1 h) or 8 h (S-8 h) milling have been fully converted to HSO3-, SO32-, and SO42-, also suggesting different amounts of these sulfur oxides according to the milling. S-1 h and S-8 h were efficient for S and K fertilization, as probed by the successful growing of the forage crop Brachiaria ssp. in a greenhouse trial, with similar biomass yields observed for K2SO4 (positive control) and superior to S-0 + KCl (negative control). These data suggest that the mechanochemical process provides a sustainable route to increase sulfur plant bioavailability, suggesting a simple alternative that can be easily implemented in forage plant production sites such as Brachiaria ssp. (AU)

Processo FAPESP: 16/10636-8 - Da fábrica celular à biorrefinaria integrada Biodiesel-Bioetanol: uma abordagem sistêmica aplicada a problemas complexos em micro e macroescalas
Beneficiário:Roberto de Campos Giordano
Modalidade de apoio: Auxílio à Pesquisa - Programa BIOEN - Temático
Processo FAPESP: 18/10104-1 - Preparação de Nanocompósitos a partir de Ureia modificada com Glicerol para otimização do Processo de Liberação Controlada de Nutrientes
Beneficiário:Amanda Soares Giroto
Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado
Processo FAPESP: 21/13645-6 - Investigação de polímero de poli (glicerol-citrato) como revestimento protetor para aumentar o efeito de inoculação microbiana em plantas de soja
Beneficiário:Amanda Soares Giroto
Modalidade de apoio: Bolsas no Exterior - Estágio de Pesquisa - Pós-Doutorado