Nutrient release by a Brazilian sedimentary zeolite.
AUTOR(ES)
MONTE, M. B. M.
FONTE
Anais da Academia Brasileira de Ciências
DATA DE PUBLICAÇÃO
2011
RESUMO
This report describes the characterization of a sedimentary occurrence from the Parnaíba Basin, Brazil, containing the zeolite stilbite intertwined with smectitic clay mineral. The head samples from different sites present a wide content range of the zeolitic phase ? 15% to 50%. The use of simple separation techniques ? conventional gravitic treatments ? yields concentrates containing about 67% of the zeolitic component. Assays with the amendments of these concentrates with plant nutrients yield release rates matching those reported for similar commercial products.
ASSUNTO(S)
sedimentary zeolite parnaíba basin plant nutrients nutrient attachment release.
ACESSO AO ARTIGO
http://www.alice.cnptia.embrapa.br/handle/doc/576379Documentos Relacionados
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