UTILIZAÇÃO DE FERTILIZANTES ORGÂNICOS PARA PRODUÇÃO DE CAPIM ELEFANTE CV. BRS CAPIAÇU

Abstract

Brazilian participation in international trade has been intensifying more and more, as the demand for food grows. Regarding products of animal origin, we can highlight milk, beef, pork and poultry. As a result, it is necessary to increase the productivity of the various production sectors to meet this high demand, always paying attention to the increase in production costs and the environmental impact from animal waste. Producers are in a constant search for techniques that improve the use of pasture, without the cost rising too much, and this has been achieved through, for example, the adoption of integrated systems, which are proven to present pastures with better nutritional quality and highest rate of occupancy. An alternative would also be the use of organic fertilizers from animal waste. This practice generates great benefits for the animal production chain, with the reduction of fertilization costs, in addition to reducing the environmental impact, since there will be a smaller amount of organic matter discarded in the ecosystems. In view of the worldwide increase in demand for food, a related study on the use of waste resulting from production chains of animal origin was necessary. The objective of this work was to evaluate which fertilizer from animal waste is more efficient in the production of dry matter for Capiaçu grass. The grass was implanted with plots of 6 m², in randomized blocks, constituting four treatments and five replications. The treatments were 0% organic fertilizer, 10 tons/ha of bovine manure, 10 tons/ha of pig manure and 10 tons/ha of poultry manure, all tanned for a period of 60 days. After 30, 60 and 110 days of planting, plant height, number of plants per linear meter, stem diameter and dry matter production per hectare were evaluated. Fertilization with poultry manure promoted greater increments in development, mainly in relation to tillering, and dry matter production of Capiaçu grass.