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Soil acidification and aluminium mobility
Soil Use and Management, 1985Abstract. Natural acidification processes result in increasing solubility of aluminium as soils become more acid. Exchangeable aluminium provides a large reserve that can be mobilized by percolating acids or salts, with solution pH determining the upper limit of its solubility.
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Causes of soil acidification: a summary
Soil Use and Management, 1985Abstract. A review of recent data shows that (i) dissolved CO 2 has its greatest acidifying effect in soils with pH values above about 6.5, (ii) fertilizers containing NH −1 + ions or urea will acidify soil ...
D. L. Rowell, A. Wild
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Soil acidification under clover pasture
Australian Journal of Experimental Agriculture and Animal Husbandry, 1980Long-term changes in some chemical properties of yellow podzolic soils under subterranean clover pastures were studied near Binda, New South Wales. The rate of decrease in pH of the surface 10 cm of soil was greatest in the early years following pasture establishment, and decreased with time. Over 50 years the decrease in pH was approximately one unit,
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Acidification of soils by trees and forests
Soil Use and Management, 1985Abstract. The impact of isolated trees and natural forest vegetation on soil acidity is discussed. There is a considerable variation in impact between species on similar soils and between sites for any given species. The effect of coniferous plantations on soil acidity is reviewed and the causes of any increased
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Soil and limnologic acidification: a paradox
International Journal of Environmental Studies, 1987Estimated levels of buffering based upon cation exchange capacity and concentration of chemicals present in surface soil of watersheds that contain acidified surface water pose a paradox to reports of low quantities of atmospheric hydrogen ions currently falling upon land in eastern North America, one of the most heavily acidified land areas in the ...
Michael S. Bisesi, Roy Hartenstein
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Air Pollution and Soil Acidification
1987Evaluation of effects of acid deposition on soil acidity can be based on general considerations of acid-producing and acid-consuming processes in the soil, theoretical calculations, reanalyses of soils previously analysed for soil acidity and experiments with artificial acidification.
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Soil acidification induced by leguminous crops
Grass and Forage Science, 1983AbstractSolution culture and greenhouse studies have both clearly demonstrated the ability of legumes to acidify their rooting medium. Furthermore, research workers comparing the pH beneath undisturbed sites versus all‐legume pastures or all‐grass versus all‐legume (or grass‐legume) pastures have observed a lower soil pH under the leguminous pastures ...
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An Ecosystem Approach to Soil Acidification
1991With respect to soil acidification, two aspects must be considered: 1. Soil acidification is the consequence of the formation or input of acids. Carbonate and silicate rocks are weak bases. Therefore soils cannot acidify as the consequence of rock weathering (exception: sulfide rocks, the content of sulfides in silicate rocks is usually ...
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Integrative oncology: Addressing the global challenges of cancer prevention and treatment
Ca-A Cancer Journal for Clinicians, 2022Jun J Mao,, Msce +2 more
exaly