Feeding the Soil on the Organic Farm. Part of the NOFA guides. Explains the principles and biology of organic composting including the importance of temperature, aeration and moisture control, the use of additives, inoculants and biodynamic preparations. Describes the finished product, how to determine its quality as well as its application on the farm. Discuses costs involved. Includes recipes for compost tea and other brewed mirobial cultures.