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Nutrient Release, Plant Nutrition, and Potassium Leaching from Polymer-Coated Fertilizer Rev. Bras. Ciênc. Solo
Bley,Henrique; Gianello,Clesio; Santos,Lenio da Silva; Selau,Lisiane Priscila Roldão.
ABSTRACT The increase in food consumption and limitations in food production areas requires improved fertilizer efficiency. Slow- or controlled-release fertilizers are an alternative for synchronizing nutrient availability with the plant demands, reducing losses to the environment. The aim of this study was to evaluate the efficacy of polymer-coated KCl compared with conventional KCl. The products were incubated in soil under controlled conditions to evaluate the time required for nutrient release. A greenhouse experiment was performed with corn plants in pots with loamy sand- or clay-textured soil types to evaluate plant nutrition and losses due to leaching. The K application rates were 0, 18, 36, and 54 mg dm-3. The pots were irrigated, and the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Enhanced efficiency; Slow- or controlled-release; Leaching.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832017000100509
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