Download or read book Increasing Productivity of Multipurpose Tree Species written by and published by . This book was released on 1984 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Increasing Productivity of Multipurpose Species written by Jeffery Burley and published by . This book was released on 1985 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nitrogen Fixing and Multipurpose Tree Species for Afforestation written by M. P. Singh and published by . This book was released on 1991 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nursery practices. Vegetative propagation of multipurpose species. Planting technique in India. The role of multipurpose trees. Multipurpose tree species as components of agroforestry systems. Increasing productivity of multipurpose tree species. Forest protection against pests and diseases. Guidelines for financing farm forestry schemes. Nitrogen fixing and multipurpose tree species.
Download or read book Quantification of Climate Variability Adaptation and Mitigation for Agricultural Sustainability written by Mukhtar Ahmed and published by Springer. This book was released on 2016-09-06 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive volume dealing with climate change impacts on agriculture, and which can help guide the redesign of agricultural management and cropping systems. It includes mitigation techniques such as use of bioenergy crops, fertilizer and manure management, conservation tillage, crop rotations, cover crops and cropping intensity, irrigation, erosion control, management of drained wetlands, lime amendments, residue management, biochar and biotechnology. It also includes Management of GHG emissions Crop models as decision support tools QTL analysis Crop water productivity Impacts of drought on cereal crops Silvopastoral systems Changing climate impact on wheat-based cropping systems of South Asia Phosphorous dynamics under changing climate Role of bioinformatics The focus of the book is climate change mitigation to enhance sustainability in agriculture. We present various kinds of mitigation options, ways to minimize GHG emissions and better use of the latest techniques in conservation and environmental-sustainability.
Download or read book Biology Productivity and Bioenergy of Timber Yielding Plants written by Maginot Ngangyo Heya and published by Springer. This book was released on 2017-09-08 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Face to the current global energy crisis, there is an urgent necessity of searching for alternatives to fossil fuels, and this book shows how timber is a promising resource for sustainable energy production. Northeast Mexico represents an important forest resource to satisfy the needs of the population in these areas. In order to harness these forest resources, technology for exploring these valuable resources must be developed. These technologies (with special reference to biology and wood technologies) are available in scattered form in a few books but there is no central, comprehensive source for practical forest scientists for adopting efficient forest management, practice, and exploration. This book deals with the characterization of the vegetation, morphology, phenological development, biomass production (leaf, litter, wood), and bioenergy of some timber-yielding species of Northeast Mexico, which will serve as a guide to study timber-yielding plants in the native vegetation of Tamaulipan thornscrub and experimental plantations. This includes morphology, vegetation cover, biomass production in terms of volume leaf biomass, litter, and volume of fire wood and timber. Special emphasis is given to the estimation of bioenergy products and chemical composition (Ph, extractable lignin, and inorganic elements). Large variations exist in vegetation cover, morphology, phenological development, biomass production of leaf and litter, volume of wood and various variable of bioenergy products among the selected species. The maximum production was found in summer and the volume of the harvestable timber was obtained in experimental plantations. This book, therefore, will serve as a practical handbook to characterize timber-yielding plants, which will help to efficiently manage forestry resources.
Download or read book Forestry for Local Community Development written by Food and Agriculture Organization of the United Nations. Forestry Department and published by Food & Agriculture Org.. This book was released on 1978 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Literature of Forestry and Agroforestry written by Peter McDonald and published by Cornell University Press. This book was released on 1996 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the evolution of forestry and agroforestry and presents the core literature in these fields, covering both traditional and emerging areas. Topics include changes in forest science in the 20th century, the development of agroforestry literature, the role of professional societies and the US
Download or read book The role of ligneous vegetation for livestock nutrition in the sub Sahelian and Sudanian zones of West Africa Potential effects of climate change written by Nouhoun Zampaligre and published by Cuvillier Verlag. This book was released on 2012-10-17 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kurzbeschreibung Aufgrund der starken Abhängigkeit von Niederschlägen und natürlichen Ressourcen gelten Ackerbau und Viehzucht im subsaharischen westlichen Afrika als besonders anfällig für klimatischen Wandel. Verstärkt wird dies durch das geringe Anpassungsvermögen der lokalen Bauern und Viehzüchter an die neuen Umstände. Das Ziel der vorliegenden Arbeit war daher die Untersuchung der zu erwartenden Einflüsse zukünftiger Klimaveränderungen auf die Tierernährung und Weidenutzung in der südlichen Sahelzone und der nördlichen und südlichen Sudanzone in Burkina Faso. Um dies zu erreichen, wurden von 2009 bis 2010 drei Studien durchgeführt; dafür ausgewählt wurden die Dörfer und Dorfgebiete (100 km²) von Taffogo (südliche Sahelzone), Nobere und Safane (nördliche Sudanzone) und Sokouraba (südliche Sudanzone). Die Wahl von zwei Dörfern in der nördlichen Sudanzone war begründet durch die Dichotomie zwischen intensiver landwirtschaftlicher Nutzung und hoher Bevölkerungsdichte in Safane und geringer ackerbaulicher Nutzungsintensität in der Pufferzone zwischen dem Dorf Nobere und dem Nationalpark Pô. Unter Verwendung globaler Navigations- (GPS) sowie Geoinformationssysteme (GIS) wurden räumliche und zeitliche Veränderungen in der Weidenutzung sowie im Fressverhalten von Rindern, Schafen und Ziegen in den vier Dörfern untersucht. Hierzu wurden pro Dorf jeweils drei Herden der genannten Haustierarten über einen Zeitraum von einem Jahr beobachtet (Kapitel 2). Die längsten Weidewege (km/Tag) waren während der heißen Trockenzeit (März – Mai) festzustellen. Schafe (18,8) und Rinder (17,4) legten dabei signifikant größere Distanzen zurück als Ziegen (10,5; p0,05). Die tägliche Weidedauer lag zwischen sechs und elf Stunden und war bei den Rindern länger als bei den kleinen Wiederkäuern (p0,05). Artunabhängig wurden 52–72% des Weidetages mit der Aufnahme von Futter verbracht. In der südlichen Sahelzone verbrachten die Herden mehr Zeit pro Tag auf den Weideflächen und legten zudem größere Distanzen zurück als in den beiden sudanischen Zonen (p0,01); die effektive Fresszeit war dagegen in der südlichen Sudanzone am längsten (p0,05). Eine proportionale Abnahme von Ruhephasen war während der Regenzeit (Juni - Oktober) im Vergleich zur kühlen (November - Februar) sowie heißen Trockenzeit zu beobachten (p0,05), während gleichzeitig der proportionale Anteil der Marschzeit zunahm. Unabhängig von der Jahreszeit erfolgte die Futteraufnahme in der südlichen Sahelzone bei allen drei Arten signifikant häufiger in bewaldeten Bereichen (Baumdeckung 5-10% oder Strauchdeckung 10%), während sie sich in den beiden sudanischen Zonen vornehmlich auf Waldflächen (Baumdeckung 10%) konzentrierte. Daraus lässt sich ableiten, dass bei gleichzeitiger Ausdehnung von landwirtschaftlich genutzten Flächen verbleibende Waldinseln und baumreiche Bereiche, einschließlich älterer (und damit buschbestandener) Brachflächen wertvolle Weidegründe für die lokalen Wiederkäuerherden darstellen. Es sollten daher Maßnahmen ergriffen werden, um dem Rückgang solch bewaldeter Bereiche entgegenzuwirken und gleichzeitig den Schutz sowie die (Wieder-)Anpflanzung dürretoleranter Futterbäume aktiv zu fördern. In einer weiteren Studie (Kapitel 3) wurde die Futterselektion der genannten Herden weidender Rinder und kleiner Wiederkäuer untersucht, und 75 Tierhalter zum Weideverhalten ihrer Tiere sowie zur Behandlung von Tierkrankheiten mit traditionellen pflanzlichen Medikamenten befragt. Ziel war es, die Auswirkungen des Klimawandels auf die Ernährung und Gesundheit der Nutztiere zu erfassen. Über alle drei untersuchten agro-ökologischen Zonen hinweg zeigen die Ergebnisse eine bevorzugte Nutzung holziger Futterpflanzen durch die drei Tierarten. Der Anteil der auf Selektion solcher Pflanzen verwendeten Zeit an der Gesamfreßzeit war dabei bei Ziegen signifikant höher als bei Schafen und Rindern (p
Download or read book An Introduction to Agroforestry written by P. K. R. Nair and published by Springer Science & Business Media. This book was released on 1993-07-31 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: This college-level textbook summarizes the state of current knowledge in the rapidly expanding field of agroforestry. The book, organized into 25 chapters in six sections, reviews the developments in agroforestry during the past 15 years and describes the accomplishments in the application of biophysical (plant and soil related) and socioeconomic sciences to agroforestry. Although the major focus of the book is on the tropics, where the practice and potential of agroforestry are particularly promising, the developments in temperate zone agroforestry are also discussed. This text is recommended for students, teachers, and researchers in agroforestry, farming systems, and tropical land use.
Download or read book Tree Biotechnology written by Kishan Gopal Ramawat and published by CRC Press. This book was released on 2014-04-01 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forest trees cover 30% of the earth's land surface, providing renewable fuel, wood, timber, shelter, fruits, leaves, bark, roots, and are source of medicinal products in addition to benefits such as carbon sequestration, water shed protection, and habitat for 1/3 of terrestrial species. However, the genetic analysis and breeding of trees has lagged
Download or read book Forest Production for Tropical America written by Frank Howard Wadsworth and published by . This book was released on 1997 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Natural Forest Management in the American Tropics written by Francis E. Putz and published by . This book was released on 1991 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Forest Trees written by National Research Council and published by National Academies Press. This book was released on 1991-02-01 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: News reports concerning decline of the world's forests are becoming sadly familiar. Most losses are measured in square kilometers, but a more profound loss cannot be measured. As forests disappear, so do their genetic resources. The genes they possess can no longer aid in their adaptation to a changing environment, nor can they be used to develop improved varieties or products. This book assesses the status of the world's tree genetic resources and management efforts. Strategies for meeting future needs and alternatives to harvesting natural forests are presented. The book also outlines methods and technologies for management, evaluates activities now under way, and makes specific recommendations for a global strategy for forest management.
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1988 with total page 1462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agriculture Handbook written by and published by . This book was released on 1997 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Set includes revised editions of some issues.
Download or read book Estrategias de Clasificaci n Y Manejo de Vegetaci n Silvestre Para la Producci n de Alimentos en Zonas ridas written by and published by . This book was released on 1988 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Tropical Agroforestry written by Alain Atangana and published by Springer Science & Business Media. This book was released on 2013-10-29 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agroforestry is recognized as a sustainable land-use management in the tropics, as it provides environmental-friendly ecosystems; it also provides people with their every day need for food and cash. Since the recognition of agroforestry as a science, curricula have been developed for agroforestry programs for undergraduate and graduate trainings in Universities. Therefore, there is an urgent need to develop and make available educational material. This textbook strives to provide up-to-date information on tropical agroforestry to serve as educational material in the tropical context. The authoritative textbook of Nair (1993) on agroforestry was published 18 years ago, and before the advent of tree domestication, an important agroforestry practice today. In addition, many other research activities, such as carbon sequestration and integrated pest management, have been included in the agroforestry agenda. This textbook is intended for agroforestry students, teachers, and practitioners.
