Farmers' Bulletin PDF Download
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Author: United States. Department of Agriculture
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 856
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Book Description
Author: United States. Department of Agriculture
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 856
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Book Description
Author: Chris Donnges
Publisher:
ISBN:
Category : Rural roads
Languages : en
Pages : 120
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Book Description
Provides an analysis of rural road maintenance in the Asian region.
Author: Hemamala Hettige
Publisher:
ISBN:
Category : Economic development projects
Languages : en
Pages : 48
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Book Description
Author: Ken Skorseth
Publisher:
ISBN:
Category : Gravel roads
Languages : en
Pages : 112
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Book Description
The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
Author: Robert J. Potts
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 28
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Book Description
Author: Yves Zenou
Publisher: Cambridge University Press
ISBN: 0521875382
Category : Business & Economics
Languages : en
Pages : 525
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Book Description
Simple models of urban search matching -- Extensions of urban search-matching models -- Non-monocentric cities and search-matching -- Simple models of urban efficiency wages -- Extensions of urban efficiency wage models -- Non-monocentric cities and efficiency wages -- The spatial mismatch hypothesis : a search-matching approach -- The spatial mismatch hypothesis : an efficiency-wage approach -- Peer effects, social networks, and labor market outcomes in cities -- General conclusion -- Appendix A: basic urban economics -- Appendix B: Poisson process and derivation of Bellman equations -- Appendix C: The Harris-Todaro model.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309100887
Category : Political Science
Languages : en
Pages : 325
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Book Description
All phases of road developmentâ€"from construction and use by vehicles to maintenanceâ€"affect physical and chemical soil conditions, water flow, and air and water quality, as well as plants and animals. Roads and traffic can alter wildlife habitat, cause vehicle-related mortality, impede animal migration, and disperse nonnative pest species of plants and animals. Integrating environmental considerations into all phases of transportation is an important, evolving process. The increasing awareness of environmental issues has made road development more complex and controversial. Over the past two decades, the Federal Highway Administration and state transportation agencies have increasingly recognized the importance of the effects of transportation on the natural environment. This report provides guidance on ways to reconcile the different goals of road development and environmental conservation. It identifies the ecological effects of roads that can be evaluated in the planning, design, construction, and maintenance of roads and offers several recommendations to help better understand and manage ecological impacts of paved roads.
Author: Javier Escobal D'Angelo
Publisher:
ISBN:
Category : Rural poor
Languages : en
Pages : 68
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Book Description
Author: Grahame Applegate
Publisher: CIFOR
ISBN: 9793361425
Category : Forest management
Languages : en
Pages : 45
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Book Description
Author: Lewis Muhlenberg Haupt
Publisher:
ISBN:
Category : Highway law
Languages : en
Pages : 362
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Book Description
