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Indicadores Biologicos No Solo Como Uma Alternativa Para O Uso Racional De Dejetos De Suinos Como Adubo Organico
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Book Synopsis Indicadores biológicos no solo como uma alternativa para o uso racional de dejetos de suínos como adubo orgânico by : João Paulo Gaya
Download or read book Indicadores biológicos no solo como uma alternativa para o uso racional de dejetos de suínos como adubo orgânico written by João Paulo Gaya and published by . This book was released on 2004 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: O solo é um sistema vivo e dinâmico fundamental na ciclagem dos nutrientes e de matéria orgânica. Vários atributos do solo são usados como indicadores de qualidade e saúde e servem para fazer avaliações entre práticas de gerenciamento e manejo agrícola para determinar sua sustentabilidade e qualidade ambiental, destacando-se a matéria orgânica do solo e suas frações, principalmente a biomassa microbiana. A agricultura e todo o seu complexo, incluindo-se a suinocultura, tem contribuído para o aumento da degradação dos recursos naturais e poluição ambiental devido aos dejetos terem grande potencial poluidor quando utilizado de forma inadequada. O experimento foi realizado em Braço do Norte (Estado de Santa Catarina, Brasil) de dezembro de 2002 a maio de 2004. O objetivo deste trabalho foi de avaliar a atividade do carbono e do nitrogênio da biomassa microbiana, alguns atributos químicos e a produtividade das culturas (grãos e matéria seca) em um Argissolo VermelhoAmarelo típico adubado com cama de suínos, esterco líquido de suínos e adubação química (uréia e NPK 4-14-8). As quantidades de nitrogênio usadas foram a recomendação e o dobro da recomendação para as culturas de milho e aveia. A sucessão de culturas utilizada foi milho-aveia-milho. Para a determinação do carbono e o nitrogênio da biomassa microbiana foi adotado o método da fumigação-extração. As análises químicas foram feitas segundometodologia adotada pela ROLAS-SUL. O softwere SAS volume 8.2 foi utilizado para fazer a análise estatística dos dados. Foram feitas análise univariadas e multivariadas canônicas. De um modo geral, os tratamentos com cama sobreposta apresentaram maior atividade microbiana, melhoraram significativamente vários atributos químicos do solo, além de terem proporcionado boas produtividades das culturas. Todos os demais tratamentos, principalmente os químicos usando o dobro da recomendação apresentaram menor atividade microbiana, redução do pH do solo e menores produtividades das culturas.
Book Synopsis The Biogas Handbook by : Arthur Wellinger
Download or read book The Biogas Handbook written by Arthur Wellinger and published by Elsevier. This book was released on 2013-02-19 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: With increasing pressures to utilize wastes effectively and sustainably, biogas production represents one of the most important routes towards reaching renewable energy targets. This comprehensive reference on the development and deployment of biogas supply chains and technology reviews the role of biogas in the energy mix and outlines the range of biomass and waste resources for biogas production. Contributors provide detailed coverage of anaerobic digestion for the production of biogas and review the utilization of biogas for various applications. They consider all aspects in the biogas production chain from the origin of the biomass feedstocks, feedstock selection and preparation, the anaerobic digestion process, biogas plant equipment design and operation, through to utilization of the biogas for energy production and the residue, the digestate, which can be used as a biofertilizer. The book also addresses biogas utilization, and explores environmental impacts and commercial market applications. Table of Contents: Biogas as an energy option: An overview Part 1 Biomass resources, feedstock treatment and biogas production: Biomass resources for biogas production; Analysis and characterisation of biogas feedstocks; Storage and pre-treatment of substrates for biogas production; Fundamental science and engineering of the anaerobic digestion process for biogas production; Optimisation of biogas yields from anaerobic digestion by feedstock type; Anaerobic digestion as a key technology for biomass valorisation: Roles and contribution to the energy balance of biofuel chains Part 2 Plant design, engineering, process optimisation and digestate utilization: Design and engineering of biogas plants; Energy flows in biogas plants: Analysis and implications for plant design; Process control in biogas plants; Methane emissions in biogas production; Biogas digestate quality and utilization; Land application of digestate Part 3 Biogas utilisation: international experience and best practice: Biogas cleaning; Biogas up-grading to biomethane; Biomethane injection into natural gas networks; Generation of heat and power from biogas for stationery applications: Boilers, gas engines and turbines, combined heat and power (CHP) plants and fuel cells; Biomethane for transport applications; Market development and certification schemes for biomethane
Book Synopsis Anaerobic Reactors by : Carlos Augustos de Lemos Chernicharo
Download or read book Anaerobic Reactors written by Carlos Augustos de Lemos Chernicharo and published by IWA Publishing. This book was released on 2007-03-30 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anaerobic Reactors is the forth volume in the series Biological Wastewater Treatment. The fundamentals of anaerobic treatment are presented in detail, including its applicability, microbiology, biochemistry and main reactor configurations. Two reactor types are analysed in more detail, namely anaerobic filters and especially UASB (upflow anaerobic sludge blanket) reactors. Particular attention is also devoted to the post-treatment of the effluents from the anaerobic reactors. The book presents in a clear and informative way the main concepts, working principles, expected removal efficiencies, design criteria, design examples, construction aspects and operational guidelines for anaerobic reactors. About the series: The series is based on a highly acclaimed set of best selling textbooks. This international version is comprised by six textbooks giving a state-of-the-art presentation of the science and technology of biological wastewater treatment. Other titles in the series are: Volume 1: Waste Stabilisation Ponds; Volume 2: Basic Principles of Wastewater Treatment; Volume 3: Waste Stabilization Ponds; Volume 5: Activated Sludge and Aerobic Biofilm Reactors; Volume 6: Sludge Treatment and Disposal
Download or read book Manual Nitrogen Control written by and published by . This book was released on 1993 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
