Plant Soil Environ., 2005, 51(1):46-50 | DOI: 10.17221/3554-PSE
The use of Spectroquant Merck BOD photometric test to evaluate the stabilityof organic matters in soil
- Faculty of Agriculture, University of South Bohemia in České Budějovice, Czech Republic
We proposed a new method to determine the rate constant of biochemical oxidation of soil organic matters that makes it possible to evaluate their stability by Spectroquant Merck BOD photometric tests; if smaller samplings are used and individual determinations are performed, it can replace the method of BOD vacuum measuring by an Oxi Top Control Merck system. The time and labour consumption of this vacuum method is sometimes criticised, but it has demonstrable work advantages for a large series of samples and so it is still recommended. The two methods are identical as for the correctness and coincidence of results and they do not differ by either lower or higher results and therefore we recommend the new method with photometric tests for smaller series of samples. For the high time and labour consumption we must warn against the use of traditional BOD dilution method with volumetric determination of oxygen for the determination of rate constants.
Keywords: soils; organic matters; analysis; lability of organic matters; photometric method; comparison of methods
Published: January 31, 2005 Show citation
| ACS | AIP | APA | ASA | Harvard | Chicago | Chicago Notes | IEEE | ISO690 | MLA | NLM | Turabian | Vancouver |
References
- Eckschlager K., Horsák I., Kodejš Z. (1980): Vyhodnocování analytických výsledků a metod. SNTL, Praha.
- Horáková M., Lischke P., Grünwald A. (1989): Chemické a fyzikální metody analýzy vod. SNTL, Praha.
- ISO 10694 Soil Quality (1996): Determination of organic and total carbon after dry combustion. International Organization Standard.
- Kolář L., Gergel J., Šindelářová M., Kužel S. (2002): Impact of farming intensity reduction in the Šumava foothills region on changes in soil organic matter and surface water quality. Rostlinná Výroba, 48: 377-381.
Go to original source... - Kolář L., Klimeš F., Ledvina R., Kužel S. (2003): A method to determine mineralization kinetics of a decomposable part of soil organic matter in the soil. Plant, Soil and Environment, 49: 8-11. Go to original source...
- Kolář L., Kužel S. (2003): A method to determine mineralization kinetics of a decomposable part of soil organic matter in the soil II. International Workshop Practical solutions for managing optimum C and N content in agricultural soils II. RICP Prague, CUA Prague, Martin Luther Univ. Halle-Wittenberg, UFZ Leipzig-Halle, IWG Soil Fertility IUSS. Go to original source...
- Körschens M. (1980): Beziehungen zwischen Feinanteil, Ct- und Nt-Gehalt des Bodens. Archiv für Acker- und Pflanzenbau und Bodenkunde, 24: 585-592.
- Körschens M., Schulz E., Böhm R. (1990): Heisswasserlöslicher C und N im Boden als Kriterium für das N-Nachlieferungsvermögen. Zentralblatt für Mikrobiologie, Jena, 145: 305-311. Go to original source...
- Kubát J., Nováková J., Mikanová O., Apfelthaler R. (1999): Organic carbon cycle, incidence of microorganisms and respiration activity in long-term field experiment. Rostlinná Výroba, 45: 389-395.
- Schulz E. (1990): Die heisswasserextrahierbare C-fraktion als Kenngröse zur Einschätzung des Versorgungszustands mit organischer Substanz. Tagungsberichte. Akademie der Landwirtschaft und Wissenschaft, Berlin, 295: 269-275.
- Weigel A., Kubát J., Körschens M., Powlson D., Mercik S. (1998): Determination of the decomposable part of soil organic matter in arable soils. Archiv für Acker- und Pflanzenbau und Bodenkunde, 43: 123-143. Go to original source...
This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY NC 4.0), which permits non-comercial use, distribution, and reproduction in any medium, provided the original publication is properly cited. No use, distribution or reproduction is permitted which does not comply with these terms.