A portable, climate-controlled, continuous flow-through, computer-operated vermiculture bioreactor and method for the treatment of organic solid wastes utilizing accelerated microbiological decomposition including composting and vermicomposting to convert materials into environmentally compatible products, including stable biofertilizer. The portable bioreactor design converts carbon-based organic waste into biofertilizer using thermophilic composting, vermicastings and vermicomposting that can be used directly for plant and farming applications.