Titlebook: Advances in Soil Science; Volume 9 B. A. Stewart Book 1989 Springer-Verlag New York Inc. 1989 Deforestation.environment.erosion.forest.soil

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0176-9340 soil 3000 or more years ago have to do with erosional forces of wind and water. The study of soils today has taken on increased importance because a rapidly ex978-1-4612-8144-3978-1-4612-3532-3Series ISSN 0176-9340

xanthelasma

Heavy Metals in Soils and Their Environmental Significance, society because of the range of metal products used. All-time usage of Cd, Cu, Pb, Ni, and Zn has been estimated to have been 0.5, 307, 241, 17, and 250 × 10. kg, respectively (Nriagu, 1979). The estimated total (all-time) and annual amounts of these metals dispersed through the atmosphere are pres

出沒

Advances in Soil Science978-1-4612-3532-3Series ISSN 0176-9340

干旱

C. A. Rains,J. R. Ray,P. VashishtaCa source on legumes and as a soil conditioner on sodic soils. Recent research has suggest that the utility of gypsum may extend to a greater range of soils and crops than previously acknowledged. The purpose of this review is to document both current practices and potential new uses of gypsum in ag

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Conference proceedings 19931st editionlable” to an extractant, usually acetic acid, ethylene diamine tetracetic acid (EDTA), diethylene triamine pentacetic acid (DTPA), etc. (e.g., Lindsay and Norvell, 1969; Viets and Lindsay, 1973; Ministry of Agriculture, Fisheries and Food, 1981). This is fortunate because the soil chemistry of trace

IDEAS

https://doi.org/10.1007/978-3-642-60597-0ithin the near future. This development implies that more attention can be paid to soil survey interpretations and applications. The opportunity to emphasize use of soil survey data is particularly timely because of a change in the type of questions being asked by users of soil survey data and becau

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Advances in Soil Sciencehttp://image.papertrans.cn/a/image/149780.jpg