Installation Instruction Sheet Biotic Soil Amendment (BSA)A hydraulically-applied matrix containing at least 20% by volume of prepackaged decomposed/composted organic fibers accepted as growth mediums, such as compost or peat moss that may or may not contain other materials and tackifiers. Used to provide a growth medium for seed germination, plant growth/establishment and soil-building characteristics in conditions of marginal or extremely poor soils and where erosion control is required.