Cultivo do algodoeiro irrigado sob adubação orgânica nitrogenada - potencial fitorremediador.

Abstract

The reuse of waste in agriculture has become a viable and promising alternative, since it can replace chemical fertilizer, providing a high input of nutrients to plants, which enables the reduction of costs production. In this sense, the objective was to evaluate the use of compost derived from household waste and irrigation with treated domestic wastewater in the development, production and quality of cotton fiber, as well as its potential to absorb the metais zinc and copper. For this, the plants were grown in a greenhouse belonging to the Federal University of Campina Grande, Campina Grande, Paraíba state. The experimental design was a randomized block in 6 x 2 factorial with three replicates, and six doses of nitrogen available in compost solid waste were (0, 60, 100, 140, 180 and 220 kg N ha"1) and two types of water (drinking water and treated domestic wastewater). It was found that the nitrogen and the type of water used had no significant effect, as regards the development, production and quality of cotton fiber BRS 286, the fiber is produced by cultivating parameters is within the acceptable industry textiles. The cotton plants were more efficient in uptake and translocation of zinc when irrigated with treated domestic wastewater. The organic fertilizer coming from the composting of urban waste and treated domestic wastewater irrigation can replace chemical fertilizers in the cultivation of cotton cultivar BRS 286.