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| DOI: | 10.1094/ATS-2010-0831-01-RS |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/ats/articles/7/1/2010-0831-01-RS
Last checked: 03/05/2014
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https://dl.sciencesocieties.org/publications/ats/pdfs/7/1/2010-0831-01-RS
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| Publication Type:
| Refereed |
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| Author(s): | St. John, Rodney A.;
Christians, Nick E. |
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| Author Affiliation: | St. John: Assistant Professor, Department of Horticulture, Forestry and Recreation Resources, Kansas State University, Manhattan, KS; Christians: Professor, Department of Horticulture, Iowa State University, Ames, IA |
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| Title: | Special approaches are needed when testing calcareous sands |
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| Section: | Applied turfgrass research
Other records with the "Applied turfgrass research" Section
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| Source: | Applied Turfgrass Science. Vol. 7, No. 1, December 2010, p. 1-11. |
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| Publishing Information: | St. Paul, Minnesota: Plant Management Network |
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| # of Pages: | 11 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/ats/abstracts/7/1/2010-0831-01-RS
Last checked: 03/05/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Calcareous sands; Calcium carbonate; Cation exchange capacity; Golf greens; Recommendations; Soil acidity; Soil pH; Soil testing
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| Abstract/Contents: | Some soil testing procedures dissolve calcium carbonate (CaCO3), which will cause an increase in the extractable calcium concentration and an increase in the estimated cation exchange capacity (CEC). On the high-sand, low-organic matter, calcareous rootzones used for construction of some putting greens and sports fields, the dissolution of calcium carbonate can greatly influence the results. The objectives of this research were to measure the effects of CaCO3 on different soil testing procedures and to make recommendations to help turf managers interpret the results from different tests. Raising the pH of the standard 0.5M ammonium acetate (NH4OAc) solution from pH 7.0 to pH 8.1 reduced the dissolution of CaCO3 by 33%. The Mehlich III solution is very acidic and dissolved almost five times the amount of lab-grade CaCO3 as NH4OAc pH 7.0 and therefore is not recommended for calcareous sands. The higher the concentration of CaCO3 in the sand, the more dissolution, and therefore, the exchangeable Ca, the CEC, the cation ratios, and the cation saturation percentages will all be more misleading. Send your samples to labs that are experienced in dealing with calcareous sands, ask which tests they are using, and be aware of any dissolution problems when interpreting the results. |
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| Language: | English |
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| References: | 19 |
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| Note: | "Published 31 August 2010."
Graphs
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
St. John, R. A., and N. E. Christians. 2010. Special approaches are needed when testing calcareous sands. Appl. Turfgrass Sci. 7(1):p. 1-11. |
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| DOI: 10.1094/ATS-2010-0831-01-RS |
| Web URL(s):
https://dl.sciencesocieties.org/publications/ats/articles/7/1/2010-0831-01-RS
Last checked: 03/05/2014
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/ats/pdfs/7/1/2010-0831-01-RS
Last checked: 03/05/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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