Efeito da utilização de resíduo frigorífico como fertilizante na cultura da alface (Lactuca sativa L.).

Abstract

The objective of this work was evaluate the effect of the lake stabilization sludge like fertilizer in the lettuce culture (Lactuca sativa L.). The experiment was conduct in greenhouse utilizing vases of 8 dm-3 capacity. The treatments used were: (i) control, without any fertilizer; (ii) residue + P and K; (iii) NPK e (iv) chicken manure + P and K. Each treatment constituted itself of four repetitions in a experimental outliner completly by chance. The results show that the residue application didn’t prejudice the lettuce plants growing and it caused the increase of production, where the residue application carried similar result of production than the NPK application, taking advantage the culture.