Produção de cana-de-açúcar irrigada e fertirrigada com efluente urbano de Goiânia-GO
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2017
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The domestic wastewater effluents contain macro and micronutrients able to meet part or all of the nutritional needs of crops. Its use in agriculture is an ecological alternative that can minimize the impacts generated by the reduction of the wastes in the rivers, besides providing lower cost of production of the crop by the reduction of expenses with inputs, due to the presence of nutrients contained in the effluents. The objective of this study was to simulate the use of the domestic effluent generated in the city of Goiânia in sugarcane crop cultivation to ethanol production and the generation of electric energy with the biomass burning. The amount of effluent generated is capable of supplying the water requirement of an approximate area of 5,000 ha of sugar cane with full irrigation, and nutritional need, counting on the return of vinasse in fertirrigation. The amount of ethanol produced may be able to maintain the consumption of all engines used in irrigation. In addition to the production of biomass, it is capable of producing a surplus of energy sufficient to meet the consumption of a pumping of about 30 ha irrigated. The reuse of the effluent in agriculture through irrigation and fertigation is a form of effective treatment, avoiding being thrown into the rivers, reducing the environmental impact.
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Água residuária, Macronutrientes, Bioenergia, Agricultura irrigada, Biocombustíveis, Wastewaters, Macronutrients, Bioenergy, Agriculture irrigated, Biofuels
Citação
MUSSI, Rodolfo Fernandes et al. A. Produção de cana-de-açúcar irrigada e fertirrigada com efluente urbano de Goiânia-GO. Revista Agrotecnologia, Ipameri, v. 8, n.1, p. 46-54, 2017. DOI: 10.12971/agrotec.v8i1.5611. Disponível em: https://www.revista.ueg.br/index.php/agrotecnologia/article/view/5611. Acesso em: 07 out. 2024.