The Role of Soil Organic Matter and Manures in Sustainable Nutrient Cycling - Sustainable Management of Soil Organic Matter - page 271

easily degradable (Jones, 1998). It remains unclear, however, why such
products should accumulate at higher temperatures and are not mineralized
in the soil.
References
Chin, Y.P., Aiken, G. and O'Loughlin, E. (1994) Molecular weight, polydispersity,
and spectroscopic properties of aquatic humic substances. Environmental
Science and Technology 28, 1853-1858.
Gödde, M., David, M.B., Christ, M.J., Kaupenjohann, M. and Vance, G.F. (1996)
Carbon mobilization from the forest floor under red spruce in the northeastern
USA. Soil Biology and Biochemistry 28, 1181-1189.
Jones, D.L. (1998) Organic acids in the rhizosphere - a critical review. Plant Soil
205, 25-44.
Lundquist, E.J., Jackson, L.E. and Scow, K.M. (1999) Wet-dry cycles affect
dissolved organic carbon in two California agricultural soils. Soil Biology and
Biochemistry 31, 1031-1038.
Møller, J., Miller, M. and Kjøller, A. (1999) Fungal-bacterial interaction on beech
leaves: influence on decomposition and dissolved organic carbon quality. Soil
Biology and Biochemistry 31, 367-374.
Powlson, D.S. and Jenkinson, D.S. (1976) The effects of biocidal treatment on
metabolism in soil - II. Gamma irradiation, autoclaving, air-drying and
fumigation. Soil Biology and Biochemistry 8, 179-188.
Qualls, R.G. and Haines, B.L. (1992) Biodegradability of dissolved organic matter
in forest throughfall, soil solution, and stream water. Soil Science Society of
America Journal 56, 578-586.
Tipping, E. and Woof, C. (1990) Humic substances in acid soils: modelling their
release to the soil solution in terms of humic charge. Journal of Soil Science 41,
573-586.
Zsolnay, A. (1996) Dissolved humus in soil waters. In: Piccolo, A. (ed.) Humic
Substances in Terrestrial Ecosystems . Elsevier, Amsterdam, pp. 171-223.