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Revista Brasileira de Fruticultura

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

Resumo

OLIVEIRA, Arlene Maria Gomes  e  CALDAS, Ranulfo Correa. Papaya yield under fertilization with nitrogen, phosphorus and potassium. Rev. Bras. Frutic. [online]. 2004, vol.26, n.1, pp.160-163. ISSN 0100-2945.  http://dx.doi.org/10.1590/S0100-29452004000100042.

Good yields and quality of fruits are directly linked to a balanced nutrition. At the same way, a plant appropriately well nourished, is able to resist illnesses and has a better potential for reaching high yields. But, in Brazil, nobody knows the behavior and the nourishing requirements of its main varieties of papaya. This work has the objective of determining the nitrogen (N), phosphorus (P) and potassium (K) doses of maximum physical efficiency for the papaya 'Solo'. The experiment, under irrigation, using of 'Sunrise Solo', was carried out in a random block design, with three replications, following a Plan Puebla matrix with three factors, N (40, 240, 400, 560 e 760 kg/ha), P2O5 (20, 120, 200, 280 e 380 kg/ha) e K2O (40, 240, 400, 560 e 760 kg/ha) and 15 treatments. Nitrogen and potassium determined the increase of yield. The maximum record of productivity of papaya fruits was estimated as 93,41 t/ha/years at the first year of crop, reached with 347 and 360 kg/ha/years of N and K2O, respectively, for current found levels of potassium at the soils. The higher levels of papaya harvests at the region of Cruz das Almas, Bahia, for crops started at the beginning of the rain season, occurred in august and September.

Palavras-chave : Sunrise Solo; Carica papaya; plant nutrition; Bahia.

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