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Author : Anonim
Publisher : Unknown
Page : 20 pages
File Size : 41,8 Mb
Release : 1967
Category : Soil moisture
ISBN : MINN:31951D02964770F
Author : Leonard F. DeBano
Publisher : Unknown
Page : 26 pages
File Size : 42,8 Mb
Release : 1981
Category : Soil absorption and adsorption
ISBN : MINN:31951D029640480
Author : C. T. Dyrness
Publisher : Unknown
Page : 24 pages
File Size : 43,6 Mb
Release : 1976
Category : Forest fires
ISBN : MINN:31951D02995118I
Author : W. J. F. Carnell
Publisher : Unknown
Page : 15 pages
File Size : 47,6 Mb
Release : 1984
Category : Soil permeability
ISBN : 0730903869
Author : Anonim
Publisher : Unknown
Page : 962 pages
File Size : 42,8 Mb
Release : 1969
Category : Water
ISBN : PSU:000068688103
Author : Watkins Wilford Miller
Publisher : Unknown
Page : 206 pages
File Size : 43,8 Mb
Release : 1973
Category : Soil absorption and adsorption
ISBN : UCR:31210000068013
Author : Anonim
Publisher : Unknown
Page : 494 pages
File Size : 46,5 Mb
Release : 1967
Category : Agriculture
ISBN : UOM:39015048154275
Author : Anonim
Publisher : Springer Science & Business Media
Page : 322 pages
File Size : 46,8 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9781461229308
The key to sustaining the soil resource base is to maintain, or enhance, soil quality. Soil quality cannot be seen or measured directly from the soil alone but is inferred from soil characteristics and soil behavior under defined conditions. In essence, the quality of soils is analogous to the health of humans, and just as there is no single characteristic that can be measured to quantify a person's health, there is no single measurement that can quantify soil quality. However, there are certain characteristics, particularly when considered together, that are good indicators. Soil quality, just as human health, can be maintained or enhanced by good management practices; and seriously degraded-sometimes irrevers ibly-with poor practices. Soil quality is also important because it has direct and indirect effects on air quality and water quality. While the enhancement of soil quality does not always assure parallel improvements in the quality of air and, particularly, water resources, this is often the case. However, soil deg radation is invariably accompanied by degraded qualities of both air and water resources. The consensus among many scientists is that the greatest challenge is not increasing production, but preventing serious deterioration of the soil and water resource base so that the production level can be sustained.
Author : C.J. Ritsema,L.W. Dekker
Publisher : Elsevier
Page : 358 pages
File Size : 55,5 Mb
Release : 2012-12-02
Category : Technology & Engineering
ISBN : 0080523218
It has become clear that soil water repellency is much more wide-spread than formerly thought. Water repellency has been reported in most continents of the world for varying land uses and climatic conditions. Soil water repellency often leads to severe runoff and erosion, rapid leaching of surface-applied agrichemicals, and losses of water and nutrient availability for crops. At present, no optimum management strategies exist for water repellent soils, focusing on minimizing environmental risks while maintaining crop production. The book starts with a historical overview of water repellency research, followed by seven thematic sections covering 26 research chapters. The first section discusses the origin, the second the assessment, and the third the occurrence and hydrological implications of soil water repellency. The fourth section is devoted to the effect of fire on water repellency, section five deals with the physics and modeling of flow and transport in water repellent soils, section six presents amelioration techniques and farming strategies to combat soil water repellency, and section seven concludes the book with an extensive bibliography on soil water repellency.
Author : Anonim
Publisher : Unknown
Page : 534 pages
File Size : 53,5 Mb
Release : 1966
Category : Forests and forestry
ISBN : UOM:39015001293334
Author : Anonim
Publisher : Unknown
Page : 630 pages
File Size : 50,6 Mb
Release : 1974
Category : Forests and forestry
ISBN : WISC:89038538849
Author : Ronald Eugene Dick
Publisher : Unknown
Page : 470 pages
File Size : 52,9 Mb
Release : 1975
Category : Recreation areas
ISBN : STANFORD:36105007591543
Author : Water Resources Scientific Information Center,George L. Knapp
Publisher : Unknown
Page : 326 pages
File Size : 54,5 Mb
Release : 1972
Category : Nitrogen cycle
ISBN : CORNELL:31924004851287
Author : Anonim
Publisher : Unknown
Page : 522 pages
File Size : 47,6 Mb
Release : 1978
Category : Forests and forestry
ISBN : UOM:39015001622201
Author : Anonim
Publisher : Unknown
Page : 876 pages
File Size : 50,9 Mb
Release : 1981
Category : Coast live oak
ISBN : STANFORD:36105119574312