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Title: | Evaluation of Two Industrial By-products as Soil Conditioners for Reducing Potential Aluminium Toxicity and Acidity in a Palexerult of Western Spain |
Authors: | Garrido, Fernando ![]() ![]() ![]() |
Keywords: | Aluminium toxicity Industrial by-products Soil acidity Ultisols |
Issue Date: | 2011 |
Publisher: | Taylor & Francis |
Citation: | Communications in Soil Science and Plant Analysis 42: 2604-2614 (2011) |
Abstract: | A field experiment evaluated the effects of surface applications of two industrial by-products (sugar foam and phosphogypsum) to an acidic Ultisol of the temperate zone in Spain to ameliorate topsoil and subsurface acidity and potential aluminium (Al) toxicity. The by-products were applied in single and combined amendments and at two different rates. Two years after their application, it was determined that applications at a low rate of sugar foam and sugar foam + phosphogypsum increased the pH and the exchangeable calcium (Ca) and reduced the exchangeable Al in the surface horizon of the soil while only a significant reduction of exchangeable Al was obtained in the subsurface horizon. Long-term amelioration of acidity and potential Al toxicity were only achieved upon the addition of these treatments at high rate. The addition of sugar foam at a high rate provides an effective practice for long-term acidity amelioration from the surface downward. |
Description: | 11 páginas, ilustraciones y tablas estadísticas. |
Publisher version (URL): | http://dx.doi.org/10.1080/00103624.2011.614036 |
URI: | http://hdl.handle.net/10261/48882 |
DOI: | 10.1080/00103624.2011.614036 |
ISSN: | 0010-3624 |
Appears in Collections: | (ICA) Artículos |
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