Affiliation:
1. Escola Superior de Agricultura 'Luiz de Queiroz', Brazil
2. Universidade Federal de Minas Gerais, Brazil
Abstract
The different methods of sewage sludge stabilization modify their physical chemical and biological properties, altering its efficiency when applied in agriculture. The objective of this study was to evaluate the nutrient levels in soil and the yield of sunflower fertilized with sewage sludge stabilized by different processes. The experiment was conducted in Cambisol, with the treatments: control (without fertilization), fertilization with sewage sludge solarized, composted, vermicomposted, limed and chemical fertilizer recommended for sunflower crop. The experimental design a randomized block with four replications. The different methods of sewage sludge treatment did not affect the yield; however, the application of sewage sludge, regardless the stabilization process adopted, was more effective than chemical fertilizer and the control treatment. Overall, fertilization with limed sewage sludge provided higher soil nutrients concentrations, while treatments with composted and vermicomposted sewage sludge showed higher levels of nutrients in the plant.
Subject
General Agricultural and Biological Sciences,General Veterinary
Reference32 articles.
1. Effects of compost produced from town wastes and sewage sludge on the physical properties of a loamy and a clay soil;Aggelides SM;Bioresource Technology,2000
2. Recomendações para o uso de corretivos e fertilizantes em Minas Gerais: 5ª aproximação;Alvarez VH,1999
3. Recomendações para o uso de corretivos e fertilizantes em Minas Gerais: 5ª aproximação;Alvarez V VH,1999
4. Fertilidade do solo;Alvarez V VH,2007
5. Resolução n. 375, de 29 de agosto de 2006: Define critérios e procedimentos, para o uso agrícola de lodos de esgoto gerados em estações de tratamento de esgoto sanitário e seus produtos derivados,2006
Cited by
10 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献