Proceedings of the 1990 Billings Land Reclamation Symposium on Selenium in Arid and Semiarid Environments, Western United States

Proceedings of the 1990 Billings Land Reclamation Symposium on Selenium in Arid and Semiarid Environments, Western United States PDF Author: Ronald Charles Severson
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 156

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Proceedings of the 1990 Billings Land Reclamation Symposium on Selenium in Arid and Semiarid Environments, Western United States

Proceedings of the 1990 Billings Land Reclamation Symposium on Selenium in Arid and Semiarid Environments, Western United States PDF Author: Ronald Charles Severson
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 156

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Agriculture and the Environment

Agriculture and the Environment PDF Author: C.A. Edwards
Publisher: Elsevier
ISBN: 0444596879
Category : Technology & Engineering
Languages : en
Pages : 354

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Until the 1980s, global increases in food production exceeded the concomitant growth of human populations. However, progressively agriculture is becoming unable to meet the world-wide per capita needs for food. Unless there is major international cooperation in addressing the problems associated with population control, it is predicted that the global human population will reach more than 14 billion by the year 2050, with provision of adequate food, fuel and space for such an increased population unachievable.These problems are accentuated by factors such as world-wide reductions in soil fertility, the accelerating degradation of land that is suitable for food production through soil erosion, the world-wide trend for migration of human populations from rural habitats to cities and extremely rapid rates of global deforestation.Possible solutions to global sustainability in agriculture and natural resources must involve an integration of ecological, sociological, cultural, and economic considerations, as well as mandated international and national policies. This publication outlines these problems and attempts to seek solutions.

U.S. Geological Survey Circular

U.S. Geological Survey Circular PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 646

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Understanding Our Fragile Environment

Understanding Our Fragile Environment PDF Author: Carole A. Bales
Publisher:
ISBN:
Category : Environmental geochemistry
Languages : en
Pages : 44

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U.S. Geological Survey Bulletin

U.S. Geological Survey Bulletin PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 38

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Recent Library Additions

Recent Library Additions PDF Author:
Publisher:
ISBN:
Category : Engineering
Languages : en
Pages : 472

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Monthly Catalog of United States Government Publications

Monthly Catalog of United States Government Publications PDF Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages :

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Monthly Catalogue, United States Public Documents

Monthly Catalogue, United States Public Documents PDF Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 982

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New Publications of the Geological Survey

New Publications of the Geological Survey PDF Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 746

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Federal Register

Federal Register PDF Author:
Publisher:
ISBN:
Category : Administrative law
Languages : en
Pages : 1156

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