This part of the paper presents a method for preparing components of various mixtures for ground reclamation and ground stabilisation and provides their characteristics. The following components were considered: fertilising and soil-forming agents, materials used for ground stabilisation before plants appear, and components of final stabilisation, i.e. grass seeds. As a raw material for the preparation of fertilising and soil-forming components, chromium-free tannery wastes were used. Differently prepared post-fermentation sludges from the fermentation of tannery wastes, composts made from these sludges, and composts from the direct composting of tannery wastes were taken into account. Cellulose fibres were used as a decomposable component stabilising unstable grounds (particularly on natural and artificial slopes). Attention was paid to the function that specific fibre proteins from chromium-free tannery wastes, i.e. collagen and keratin, may serve in reclamation mixtures.

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