EFEITO DE DIFERENTES FONTES DE ADUBAÇÃO SOBRE A PRODUÇÃO DE ALFACE NO MUNICÍPIO DE IGUATU-CE
2012
MARCOS ANTONIO VIEIRA BATISTA | LUIZA ALVES VIEIRA | JOACI PEREIRA DE SOUZA | JOSÉ DIJALMA BATISTA DE FREITAS | FRANCISCO BEZERRA NETO
If was evaluated to the influence of different sources fertilization in the productivity of the lettuce cultivar ¿Elba¿ of different sources fertilization. The experimental design was completely randomized in a factorial scheme 4 x 2 with three replications. The experiment was conducted in gauntry of eutrophic cambisol and treatments consisted of the combination of four fertilization sources: 1 - bovine manure vermicompost humus (4 kg m-2); 2 - organic manuring, 4 kg m-2; 3 - cattle manure, 20 kg m-2; 4 - organic and mineral fertilizer, 10 kg m-2 cattle manure + 10 g de urea , 15 g potassium chloride and 45 g sample superphosphate m-2) with without and with foliar application. No significant interaction was observed between factor-treatments. The head mean diameter had mean value of 26 cm at 42 days after transplantation. This value is acceptable for the cultivar. For the characteristic commercial fresh mass, the best performance was in the organic and mineral fertilization (260.20 g).
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