An application for a substrate for mixing with other ingredients such as water, seeds, fertilizer, wetting agents and dye, to produce Hydroseeding slurry. The substrate includes cellulose materials (e.g. cardboard, paper and/or wood) and an absorbent. In one embodiment, the absorbent is material known as diaper fluff that is created during the production of products such as disposable diapers. The absorbent or diaper fluff improves moisture retention, improves viscosity and reduces friction, improves coverage of the hydroseed mixture.