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Alternative potassium source for the cultivation of ornamental sunflower
Provedor de dados: 64
Autores: Torqueti,Sabrina Thereza dos Santos; Boldrin,Karina Volpi Furtini; Nascimento,Ângela Maria Pereira do; Paiva,Patrícia Duarte de Oliveira; Furtini Neto,Antônio Eduardo; Luz,Iracema Clara Alves.
ABSTRACT Brazil is dependent on importation of fertilizers, especially the potassics. Rocks and minerals that contain nutrients have a potential for use in agriculture as fertilizer, especially those of slow solubilization and that exhibit residual effect. In this context, the objective was to assess the feasibility of glauconite rock as potassium source for the cultivation of ornamental sunflower. The experiment was conducted under controlled conditions arranged in an entirely randomized design, in a 4x4 + 4 factorial scheme, with four replicates and one plant per plot. Four glauconite-based fertilizers were used as a potassium source: fine grained glauconite, fine grained organo-mineral glauconite, coarse grained glauconite and coarse grained...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Helianthus annuus; Glauconite; Mineral nutrition; Ornamental plant; Postharvest.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542016000300257