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Revista Brasileira de Fruticultura

versão impressa ISSN 0100-2945versão On-line ISSN 1806-9967

Resumo

DAMATTO JUNIOR, Erval Rafael; BOAS, Roberto Lyra Villas; LEONEL, Sarita  e  FERNANDES, Dirceu Maximino. Nutritional leaves evaluation of banana 'Prata-anã' with organic compost. Rev. Bras. Frutic. [online]. 2006, vol.28, n.1, pp.109-112. ISSN 0100-2945.  http://dx.doi.org/10.1590/S0100-29452006000100030.

The present work was carried out aiming to evaluate nutritional plants conditions with different organic compost rates in the first production cycle of banana 'Prata Anã' in Botucatu-SP. Different organic compost rates were used for the treatments: T1 = 0 g of K2O/plant (zero of the compost); T2 = 98,5 g of K2O/plant (43 kg of the compost/plant); T3 = 197,0 g of K2O/plant (86 kg of the compost/plant); T4 = 290,5 g of K2O/plant (129 kg of the compost/plant ); and T5 = 394,0 g of K2O/plant (172 kg of the compost/plant). The compost rates were calculated based on the quantity of potassium contained in the compost. The experiment was arranged in randomized blocks design, with 5 treatments, 5 replications and 2 plants per plot. The obtained data were submitted to variance analyses and to regression analyses. The effects of organic fertilization were evaluated by chemical leaves analyses of macro and micro nutrients during blooming and harvest. The organic fertilization didn't provide differences in leaves nutrients concentration of banana 'Prata Anã'. Therefore it was observed that the potassium contents in the leaves, considered appropriate to 'Prata-Anã' banana, could be smaller than the ones recommended to the culture.

Palavras-chave : Musa sp.; banana; 'Prata-Anã'; organic fertilization; nutrition; potassium.

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