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Potassium fertilization for pineapple: Effects on plant growth and fruit yield | Luiz Antonio Junqueira Teixeira, José Antonio Quaggio, Heitor Cantarella, Estêvão Vicari Mellis

A field experiment with pineapple was carried in the state of São Paulo, Brazil, with the objective of investigating the effects of rates and sources of potassium fertilizer on plant growth and fruit yield. Plant growth and fruit yield were evaluated. Biomass accumulation of pineapple plants was impaired by chlorine added with potassium chloride. Fruit yield increased with potassium fertilization. At high rates of K application, fertilization with K2SO4 showed better results than with KCl. Detrimental effects of KCl were associated with excess of chlorine

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