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Guide Doptimisation De Lepandage Des Engrais Mineraux Solides
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Author :Comité français d'étude et de développement de la fertilisation raisonnée Publisher : ISBN 13 : Total Pages :110 pages Book Rating :4.:/5 (758 download)
Book Synopsis Guide d'optimisation de l'épandage des engrais minéraux solides by : Comité français d'étude et de développement de la fertilisation raisonnée
Download or read book Guide d'optimisation de l'épandage des engrais minéraux solides written by Comité français d'étude et de développement de la fertilisation raisonnée and published by . This book was released on 2009 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Activity Report by : Centre wallon de recherches agronomiques (Gembloux, Belgium)
Download or read book Activity Report written by Centre wallon de recherches agronomiques (Gembloux, Belgium) and published by . This book was released on 2009 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modélisation, optimisation et contrôle d'un processus d'épandage pour les applications agricoles by : Teddy Virin
Download or read book Modélisation, optimisation et contrôle d'un processus d'épandage pour les applications agricoles written by Teddy Virin and published by . This book was released on 2007 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Du fait d'une stratégie inadaptée, l'épandage d'engrais minéraux par procédé centrifuge engendre des défauts de fertilisation. Pour déterminer les séquences de consigne à appliquer à l'entrée des distributeurs qui permettent de limiter les erreurs de répartition, nous proposons plusieurs méthodes basées sur l'optimisation avec contraintes. Tout d'abord, nous modélisons la distribution spatiale d'engrais dans les parcelles et, formalisons un problème d'optimisation sous contraintes en plein champ. Pour le résoudre, nous développons une approche de fenêtres glissantes et implémentons un algorithme de Lagrangien augmenté associé à la méthode LBFGS. En appliquant deux différentes techniques reposant sur ces principes, nous parvenons à réduire les défauts en bordure et avoir plus de 80% des surfaces correctement fertilisées. Une autre stratégie utilisant la résolution d'un problème de contrôle optimal est également développée et apporte des premiers résultats encourageants
Book Synopsis Faecal Sludge Management by : Linda Strande
Download or read book Faecal Sludge Management written by Linda Strande and published by IWA Publishing. This book was released on 2014-08-15 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is estimated that literally billions of residents in urban and peri-urban areas of Africa, Asia, and Latin America are served by onsite sanitation systems (e.g. various types of latrines and septic tanks). Until recently, the management of faecal sludge from these onsite systems has been grossly neglected, partially as a result of them being considered temporary solutions until sewer-based systems could be implemented. However, the perception of onsite or decentralized sanitation technologies for urban areas is gradually changing, and is increasingly being considered as long-term, sustainable options in urban areas, especially in low- and middle-income countries that lack sewer infrastructures. This is the first book dedicated to faecal sludge management. It compiles the current state of knowledge of the rapidly evolving field of faecal sludge management, and presents an integrated approach that includes technology, management, and planning based on Sandecs 20 years of experience in the field. Faecal Sludge Management: Systems Approach for Implementation and Operation addresses the organization of the entire faecal sludge management service chain, from the collection and transport of sludge, and the current state of knowledge of treatment options, to the final end use or disposal of treated sludge. The book also presents important factors to consider when evaluating and upscaling new treatment technology options. The book is designed for undergraduate and graduate students, and engineers and practitioners in the field who have some basic knowledge of environmental and/or wastewater engineering.
Book Synopsis Characterization, Treatment and Use of Sewage Sludge by : P. L'Hermite
Download or read book Characterization, Treatment and Use of Sewage Sludge written by P. L'Hermite and published by Springer. This book was released on 1981-05-31 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the Second European Symposium held in Vienna, Austria, 21-23 October, 1980
Book Synopsis Basic Technics in Ecological Farming / Techniques de Base en Agriculture Biologique / Grundsätzliche Verfahren der ökologischen Landwirtschaft / Le Maintien de la Fertilité des Sols / The Maintenance of Soil Fertility / Die Erhaltung der Bodenfruchtbarkeit by : Stuart Hill
Download or read book Basic Technics in Ecological Farming / Techniques de Base en Agriculture Biologique / Grundsätzliche Verfahren der ökologischen Landwirtschaft / Le Maintien de la Fertilité des Sols / The Maintenance of Soil Fertility / Die Erhaltung der Bodenfruchtbarkeit written by Stuart Hill and published by Birkhäuser. This book was released on 2013-12-14 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Maize revolution in West and Central Africa by :
Download or read book Maize revolution in West and Central Africa written by and published by IITA. This book was released on 2003 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cropping Systems, Land Tenure and Social Diversity in Wenchi, Ghana by : Samuel Adjei-Nsiah
Download or read book Cropping Systems, Land Tenure and Social Diversity in Wenchi, Ghana written by Samuel Adjei-Nsiah and published by . This book was released on 2006 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: However, there is still considerable scope for further development of these self-organised innovations.
Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Org. ISBN 13 :9789251045411 Total Pages :20 pages Book Rating :4.0/5 (454 download)
Book Synopsis What is the Code of Conduct for Responsible Fisheries? by : Food and Agriculture Organization of the United Nations
Download or read book What is the Code of Conduct for Responsible Fisheries? written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2001 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The actual Code of conduct is also available (1996) (ISBN 9251038341).
Book Synopsis Agricultural Compendium for Rural Development in the Tropics and Subtropics by :
Download or read book Agricultural Compendium for Rural Development in the Tropics and Subtropics written by and published by Elsevier Science & Technology. This book was released on 1985 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ilaco handbook
Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Organization of the UN (FAO) ISBN 13 : Total Pages :116 pages Book Rating :4.:/5 (31 download)
Book Synopsis Growing Greener Cities in Africa by : Food and Agriculture Organization of the United Nations
Download or read book Growing Greener Cities in Africa written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Organization of the UN (FAO). This book was released on 2012 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Second Global Plan of Action addresses new challenges, such as climate change and food insecurity, as well as novel opportunities, including information, communication and molecular methodologies. It contains 18 priority activities organized in four main groups: In situ conservation and management; Ex situ conservation; Sustainable use; and Building sustainable institutional and human capacities.
Book Synopsis How to Design Wastewater Systems for Local Conditions in Developing Countries by : David M. Robbins
Download or read book How to Design Wastewater Systems for Local Conditions in Developing Countries written by David M. Robbins and published by IWA Publishing. This book was released on 2014-03-15 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a practical handbook providing a step-by-step approach to the techniques used for characterizing wastewater sources and investigating sites where collection, treatment and reuse/disposal technologies will be installed. It is intended to help enable local implementation of on-site and decentralized wastewater management system (DWMS)for wide scale use in development settings. How to Design Wastewater Systems for Local Conditions in Developing Countries helps local service providers and regulatory officials make informed decisions through the use of tools, checklists and case studies. It includes a link to a web based community of on-site and decentralized wastewater professionals, which contains related tools and case studies. This handbook serves as a reference for training classes, certification programs, and higher education programs in civil and sanitary engineering. There is an increasing interest on the part of local government officials and private sector service providers to implement wastewater treatment systems to solve sanitation problems. The model presented in this handbook promotes activities that first generate data related to source and site conditions that represent critical inputs, and then applies this information to the technology selection process. Matching the most appropriate technologies to the specific needs of the wastewater project is the key that leads to long term sustainability. How to Design Wastewater Systems for Local Conditions in Developing Countries is an invaluable resource for public sector decision makers and private sector service providers in developing countries. It is also a useful text for students at engineering colleges in developing countries interested in taking a class that teaches the methods of decentralized wastewater management system (DWMS) development.
Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Org. ISBN 13 :9789251039717 Total Pages :52 pages Book Rating :4.0/5 (397 download)
Book Synopsis Aquaculture Development by : Food and Agriculture Organization of the United Nations
Download or read book Aquaculture Development written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 1997 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides annotations to the Principles of Article 9 of the Code of Conduct for Responsible Fisheries. These annotations are meant to serve as general guidance, and should be taken as suggestions or observations intended to assist those interested in identifying their own criteria and options for actions, as well as partners for collaboration, in support of sustainable aquaculture development.
Book Synopsis Animal Traction in Africa by : Peter Munzinger
Download or read book Animal Traction in Africa written by Peter Munzinger and published by Deutsche Gesellschaft Fur Technische Zusammenarbeit. This book was released on 1982 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Compendium of Sanitation Systems and Technologies by : Elizabeth Tilley
Download or read book Compendium of Sanitation Systems and Technologies written by Elizabeth Tilley and published by . This book was released on 2014 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Leguminosae of Madagascar by : David Du Puy
Download or read book The Leguminosae of Madagascar written by David Du Puy and published by Royal Botanic Gardens Kew. This book was released on 2002 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Leguminosae of Madagascar is an encyclopaedic tour de force of one of the largest and most diverse families in the unique flora of Madagascar. Economic uses are explored in detail, with local names recorded along with habitats, distribution, flowering time, conservation status, and climate and soil type.
Book Synopsis Internet Plus Agriculture by : Asian Development Bank
Download or read book Internet Plus Agriculture written by Asian Development Bank and published by Asian Development Bank. This book was released on 2018-09-01 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication reviews the practices and policies of Internet Plus agriculture business models in the People's Republic of China (PRC). It analyzes the agriculture value chain model, rural e-commerce platform, and Internet Plus agriculture service model. The Internet Plus rural economy is an emerging driver of comprehensive development in the PRC as a new production management and marketing tool for farmers and farmers' cooperatives. Its potential is seen as a foundation for vitalizing the countryside and key to achieving agricultural modernization.
