Bulletin of the International Society of Soil Science PDF Download
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Author: International Society of Soil Science
Publisher:
ISBN:
Category : Soil science
Languages : en
Pages : 1052
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Book Description
Author: International Society of Soil Science
Publisher:
ISBN:
Category : Soil science
Languages : en
Pages : 1052
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Book Description
Author: J Williams
Publisher: CSIRO PUBLISHING
ISBN: 0643105697
Category : Technology & Engineering
Languages : en
Pages : 542
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Book Description
Dryland farming is a major export earner for many temperate-zone countries, yet it continues to degrade a country's natural resources. Effects are not restricted to the land - changes in water quality can reduce the potential uses of water and bring about catastrophic changes in both freshwater and coastal ecosystems. Farming Action: Catchment Reaction provides a comprehensive technical overview of the relationships between dryland farming systems and catchment land and water quality in Australia, and integrates it in a whole system framework. It deals with the issues in terms of people, pointers, processes and prediction as it discusses social aspects of developing and implementing research to improve dryland farming systems in catchment management programs, indicators of catchment health, and the processes which determine the impact of the farming action on the catchment response. It concludes by considering the adequacy of our ability to use this process knowledge in models to predict the effect of dryland farming on catchment condition.
Author: E. Bergsma (aardwetenschappen.)
Publisher:
ISBN:
Category : Polyglot glossaries, phrase books, etc
Languages : en
Pages : 338
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Book Description
Dictionary ISSS ITC ISRIC
Author: P. K. R. Nair
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 100
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Book Description
Land-use systems related to agroforestry; The role trees in soil productivity and conservation; Research results fron some field examples ofagroforestry; Soil productivity and soil management in agroforestry: postulations and suggested research approaches.
Author: Howard A. Steppler
Publisher:
ISBN:
Category : Agroforestry
Languages : en
Pages : 362
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Book Description
Perspectives on agroforestry. Prominence and importance of agroforestry in selected regions. Impact measurement and technology transfer. Research findings and proposals.
Author: Anthony Young
Publisher:
ISBN:
Category : Agroforestry
Languages : en
Pages : 62
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Book Description
Author: P. K. Ramachandran Nair
Publisher: Springer Science & Business Media
ISBN: 9401590087
Category : Technology & Engineering
Languages : en
Pages : 251
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Book Description
Large areas of the warm, humid tropics in Southeast Asia, the Pacific, Latin America, the Caribbean, and Africa are hilly or mountainous. Jackson and Scherr (1995) estimate that these tropical hillside areas are inhabited by 500 million people, or one-tenth of the current world population, many of whom practice subsistence agriculture. The region most affected is Asia which has the lowest area of arable land per capita. Aside from limited areas of irrigated terraces, most of the sloping land, which constitutes 60% to 90% of the land resources in many Southeast Asian countries, has been by-passed in the economic development of the region (Maglinao and Hashim, 1993). Poverty in these areas is often high, in contrast to the relative wealth of irri gated rice farms in lowland areas that benefited from the green revolution. Rapid population growth in some countries is also exacerbating the problems of hillside areas. Increasingly, people are migrating from high-potential lowland areas where land is scarce to more remote hillside areas. Such migra tion, together with inherent high population growth, is forcing a transforma tion in land use from subsistence to permanent agriculture on fragile slopes, and is creating a new suite of social, economic, and environmental problems (Garrity, 1993; Maglinao and Hashim, 1993).
Author: P.K. Ramachandran Nair
Publisher: Springer Science & Business Media
ISBN: 9400746768
Category : Technology & Engineering
Languages : en
Pages : 549
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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:
Publisher:
ISBN:
Category : Afforestation
Languages : en
Pages : 32
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Book Description
Author:
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 140
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Book Description
Abstract: "This report documents trends and impacts of climate change on America's forests as required by the Renewable Resources Planning Act of 1974. Recent research on the impact of climate and elevated atmospheric carbon dioxide on plant productivity is synthesized. Modeling analyses explore the potential impact of climate changes on forests, wood products, and carbon in the United States."
