Search for: [References = "Walkley, A., Black, I.A. \(1934\). An examination of the Degtjareff method for determining soil organic matter and a proposed modification of the chromic acid titration method. Soil Science, 37\(1\), 29\-38.\(\{\[citation_location\:doi\:10.1097\/00010694\-193401000\-00003\]\}\)"]

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