Stockage et protection du carbone dans un sol ferrallitique sous systèmes en semis direct avec couverture végétale des Hautes Terres malgaches PDF Download
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Book Description
Stocker du carbone dans le sol représente à la fois des enjeux agronomiques et environnementaux. A Madagascar, le stockage et la protection de C dans le sol, sous systèmes de culture en semis direct avec couverture végétale (SCV) sont étudiés sur un dispositif de longue durée (11 ans) de la région d'Antsirabe, Hautes Terres malgaches. Les systèmes SCV présentent des stocks de carbone significativement plus élevés par rapport au labour conventionnel pour l'horizon 0-20 cm, représentant des stockages de carbone dans le sol variant de 0,6 à 1,0 Mg C.ha-1.an-1. Ce stockage est attribué en grande partie à la quantité importante de biomasse restituée au sol. Le carbone stocké est essentiellement localisé dans les fractions fines du sol où il est protégé physico-chimiquement contre la minéralisation microbienne, mais une autre partie est localisée dans les matières organiques particulaires du sol qui est également protégé puisque n'est pas minéralisé lors d'une déprotection physique des agrégats.
Book Description
Stocker du carbone dans le sol représente à la fois des enjeux agronomiques et environnementaux. A Madagascar, le stockage et la protection de C dans le sol, sous systèmes de culture en semis direct avec couverture végétale (SCV) sont étudiés sur un dispositif de longue durée (11 ans) de la région d'Antsirabe, Hautes Terres malgaches. Les systèmes SCV présentent des stocks de carbone significativement plus élevés par rapport au labour conventionnel pour l'horizon 0-20 cm, représentant des stockages de carbone dans le sol variant de 0,6 à 1,0 Mg C.ha-1.an-1. Ce stockage est attribué en grande partie à la quantité importante de biomasse restituée au sol. Le carbone stocké est essentiellement localisé dans les fractions fines du sol où il est protégé physico-chimiquement contre la minéralisation microbienne, mais une autre partie est localisée dans les matières organiques particulaires du sol qui est également protégé puisque n'est pas minéralisé lors d'une déprotection physique des agrégats.
Author: P.K. Ramachandran Nair Publisher: Springer Science & Business Media ISBN: 9400746768 Category : Technology & Engineering Languages : en Pages : 549
Book Description
This volume contains a solid body of the current state of knowledge on the various themes and activities in agroforestry worldwide. It is organized into three sections: the Introduction section consists of the summaries of six keynote speeches at the 2nd World Congress of Agroforestry held in Nairobi, Kenya, in 2009; that is followed by two sections of peer-reviewed thematic chapters grouped as “Global Perspectives” (seven chapters) and “Regional Perspectives” (eleven chapters), authored by professional leaders in their respective agroforestry-related fields worldwide. A total of 130 professionals from institutions in 33 countries in both developing and the industrialized temperate regions of the world contributed to the book as chapter authors and/or reviewers. Thus, the book presents a comprehensive and authoritative account of the global picture of agroforestry today.
Author: Eric J. Roose Publisher: CRC Press ISBN: 113546054X Category : Nature Languages : en Pages : 499
Book Description
The most complete, nonpartisan source of information on this hot agronomic topic available today, this book brings together a diverse group of papers and data to resolve the debate between sedimentologists and soil scientists and agronomists over whether the effects of soil erosion on carbon and atmospheric CO2 is beneficial or destructive. Divided into four sections, it offers data on how soil erosion affects soil, water, and air quality. Topics include mineralization rate, inundation, sediment deposition, and global warming potential, as well as carbon dioxide, methane, and nitrous oxide emissions, and the implications of soil erosion on the global carbon cycle and carbon budget.
Author: Subramanian Senthilkannan Muthu Publisher: Springer Science & Business Media ISBN: 9814560413 Category : Technology & Engineering Languages : en Pages : 297
Book Description
Carbon footprint is one of the important environmental impacts, which has received greater attention from the public, government and media. It is one of the important topics of even any government’s agenda as well and every nation is trying its best to reduce its carbon footprint to the maximum possible extent. Every company would like to reduce the carbon footprint of its products and consumers are looking for the products which emit lower carbon emissions in their entire life cycle. Assessment of Carbon footprint for different products, processes and services and also carbon labelling of products have become familiar topics in the recent past in various industrial sectors. Every industry has its unique assessment and modelling techniques, allocation procedures, mitigation methods and labelling strategies for its carbon emissions. With this background, this book has been framed with dedicated chapters on carbon footprint assessment on various industrial sectors. In each chapter, details pertaining to the assessment methodologies of carbon footprint followed in a particular industry, challenges in calculating the carbon footprint, case studies of various products in that particular industry, mitigation measures to be followed to trim down the carbon footprint, recommendations for further research are discussed in detail. This first volume includes the carbon footprint assessment methodology of agricultural sector, telecommunication sector, food sector, ceramic industry, packaging industry, building and construction sector and solid waste sector.
Author: International Livestock Research Institute Publisher: ILRI (aka ILCA and ILRAD) ISBN: 9789291460038 Category : Animal industry Languages : en Pages : 268
Book Description
Policy concepts; Identification of policy issues; Production systems, supply and demand; Market, price and trade policies; Marketing and distribution systems; Budget and manpower planning; Land tenure police for the livestock sector; Policy analysis report writing and communication; Livestock production and marketing in alphabeta - a case study.
Author: Food and Agriculture Organization of the United Nations Publisher: Food & Agriculture Org. ISBN: 9789251055212 Category : Technology & Engineering Languages : en Pages : 116
Book Description
Soils are affected by human activities, such as industrial, municipal and agriculture, that often result in soil degradation and loss. In order to prevent soil degradation and to rehabilitate the potentials of degraded soils, reliable soil data are the most important prerequisites for the design of appropriate land-use systems and soil management practices as well as for a better understanding of the environment. The availability of reliable information on soil morphology and other characteristics obtained through examination and description of the soil in the field is essential, and the use of a common language is of prime importance. These guidelines, based on the latest internationally accepted systems and classifications, provide a complete procedure for soil description and for collecting field data. To help beginners, some explanatory notes are included as well as keys based on simple test and observations.--Publisher's description.
Author: Professor of Statistics Vic Barnett Publisher: Palala Press ISBN: 9781341537264 Category : Languages : en Pages : 150
Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Tantely Razafimbelo
Author: Tantely Razafimbelo
Author: P.K. Ramachandran Nair
Author: Eric J. Roose
Author: Stuart Hill
Author: Subramanian Senthilkannan Muthu
Author: International Livestock Research Institute
Author: Food and Agriculture Organization of the United Nations
Author: Professor of Statistics Vic Barnett
Author: World Meteorological Organization
Author: