Micromorphological, wet-chemical and 13C NMR spectroscopic characterization of density fractionated forest soils
暂无分享,去创建一个
[1] I. Kögel‐Knabner,et al. Gel permeation chromatography of water-soluble organic matter with deionized water as eluent II. Spectroscopic and chemical characterization of fractions obtained from an aqueous litter extract , 1989 .
[2] Günter Beudert. Morphologische, naßchemische und 13C-NMR-spektroskopische Kennzeichnung der organischen Substanz von Waldhumusprofilen nach Dichtefraktionierung , 1988 .
[3] I. Kögel‐Knabner,et al. Chemical composition of the organic matter in forest soils: The humus layer , 1988 .
[4] Michael A. Wilson. N.M.R. techniques and applications in geochemistry and soil chemistry , 1987 .
[5] I. Kögel-Knabner. Organische Stoffgruppen in Waldhumusformen und ihr Verhalten während der Streuzersetzung und Humifizierung , 1987 .
[6] W. Zech,et al. Organic compounds in cryofolists developed on limestone under subalpine coniferous forest, Bavaria , 1985 .
[7] J. Hedges,et al. The lignin component of humic substances: Distribution among soil and sedimentary humic, fulvic, and base-insoluble fractions , 1984 .
[8] J. Hedges,et al. Characterization of lignin by gas capillary chromatography of cupric oxide oxidation products , 1982 .
[9] K. Johnson,et al. Dissolved carbohydrates in seawater. I, A precise spectrophotometric analysis for monosaccharides , 1977 .