An organic soil amendment comprises a live aerobic culture of beneficial microorganisms, comprising beneficial bacteria and fungi, and additives and plant extracts. The present invention also provides a method for producing an organic soil amendment by extracting beneficial microorganism at least in part from a compost comprising green and brown plant waste, and is free of manure. The extracted beneficial microorganism is amplified, while additional beneficial microorganism maybe added. Plant extracts and other additives are added to the live beneficial microorganism culture. The present invention further provides a method for storing and transporting the organic soil amendment at a reduced temperature, such as refrigeration, freezing, or lyophilizing. In addition, the present invention provides a method for maintaining the viability of the organic s oil amendment in a ready to use form.