Citation: Rh. Ellerbrock et al., Functional analysis of soil organic matter as affected by long-term manurial treatment, EUR J SO SC, 50(1), 1999, pp. 65-71
Citation: Rh. Ellerbrock et al., Characterization of soil organic matter from a sandy soil in relation to management practice using FT-IR spectroscopy, PLANT SOIL, 213(1-2), 1999, pp. 55-61