EFICIÊNCIA DE DESSECAÇÃO, PRODUÇÃO DE BIOMASSA E RELAÇÃO C: N DO CAPIM-QUÊNIA APÓS O CONSÓRCIO COM MILHO

Abstract

The adequate soil cover, in the crop-livestock integration system, is a reflection of the appropriate choice of forage and sowing method, which ensures the provision of sustainable services ensuring the intensification and diversification of production. Thus, the objective wasto evaluate the control efficiency of desiccation, biomass production, nutrient accumulation and soybean productivity in the biomass of Quênia guinea grass after intercropping with maize in different ways of sowing in the second harvest. The experiment was conducted in randomized block design with four repetitions. Treatments consisted of ground cover biomass: maize in monocrop; Quênia guinea grass in monocrop; maize intercropped with Quênia guinea grass in the row; maize intercropped with Quênia guinea grassin the interrow and an additionalsoybean treatment without cover biomass. The results showed that the caeca in the different cropping systems presented high desiccation efficiency, showing potential as a cover plant in integrated systems. The intercropping system of maize with Quênia guinea grass is more recommended than seeding in the same row as maize, because it promotes greater biomass production. Integrated productionsystems are a promising and efficient technique for production systems compared to the system of growing maize in monocrop and soybeans without soil cover biomass, which ensures greater sustainability of agricultural systems.