The unresolved problems of peat-water relationships. Plants to peat: the process of humification. Compression and gravity drainage as means of dewatering peat. Saturated and unsaturated permeabilities of North German peats. Mietal Ion exchange on peat. The role of colloid science in peat dewatering: principles and dewatering studies. Some basic principles of water management in peat. Application of a membrane model to the secondary structure of humic materials in peat. Water retention by humic substances. Variation of humic substances within peat profiles. Organic geochemical studies of the humification process in low-moor peat. Characterization of a peat bog profile by Curie point pyrolysis-mass spectrometry combined with multivariant analysis and by pyrolysis gas chromatography-mass spectometry. Cupric oxide oxidation products of humic acids from Finnish milled peat. The role of carbohydrates in the free enzymes in soil. Structure and physical properties of petidipolysaccharides released by soil-inhabiting penicillium spinulosum and other species of penicillium. The peat-water problem: reflections, perspectives, recommendations.