Soil Degradation in the United States: Extent, Severity, and - download pdf or read online
By Rattan Lal, Thomas Iivari, John M. Kimble
ISBN-10: 1566705347
ISBN-13: 9781566705349
Soil Degradation within the usa: volume, Severity, and traits examines the value and severity of soil degradation via diverse methods within the united states, together with water erosion, wind erosion, C depletion, soil compaction, salt build-up, and soil infection. additionally, it addresses coverage matters with reference to fiscal and environmental effect, land use switch, and worldwide developments. It covers earlier tendencies and destiny projections concerning soil degradation. The publication presents a prepared reference and knowledge resource for soil scientists and researchers, agronomists, environmentalists, land use planners, land managers, and coverage makers.
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Extra resources for Soil Degradation in the United States: Extent, Severity, and Trends
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H. J. Pierce. Concepts of soil quality and their significance. In Soil Quality for Crop Production and Ecosystem Health. G. R. ), Elsevier, Amsterdam, 1997, 1–19. Commoner, B. The Closing Circle: Confronting the Environmental Crisis. Jonathan Cape, London, 1972. SOIL DEGRADATION 21 Conacher, A. and J. Conacher. Rural Land Degradation in Australia. , 1995, 170 pp. W. B. Parkin. Defining and assessing soil quality. In Defining Soil Quality for a Sustainable Environment, Special Publication No. 35. W.
Another disadvantage is the scale. Even at 1:5,000,000 scale, the problem spots of up to 1000 ha are difficult to pinpoint and precisely locate. Consequently, extrapolations from a map at a scale of 1:25,000,000 or 1:150,000,000 can lead to gross errors. 5 THE NEED FOR A STRONG AND CREDIBLE DATABASE The presently available statistics on the regional and global extents of soil degradation and desertification are vague, qualitative, subjective, and based on socalled informed opinion surveys. There are strong reservations about the methodology and its reproducibility, quality, accuracy, and reliability.
7 Federal Land Forestland Misc. S. , 1992a. 43 44 SOIL DEGRADATION IN THE UNITED STATES REFERENCES Batie, S. How farmers affect natural resources. In Using Our Natural Resources, 1983 Yearbook of Agriculture. , 1983, pp. 404–413. Dukes, D. CRP: A wakeup call for agriculture. J. Soil Water Cons. 51, 140–141, 1996. FAO. Forest Resources Assessment 1990, Guidelines for Assessment. FAO, Rome, 1990. FAO. Production Yearbook, Vol. 52. FAO, Rome, 1998. G. E. M. W. Waltman. Carbon sequestration under the Conservation Reserve Program in the historic grassland soils of the United States of America.
Soil Degradation in the United States: Extent, Severity, and Trends by Rattan Lal, Thomas Iivari, John M. Kimble
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