fermentation-gases-1-270x360Nutritional and physical properties are the two basic areas of concern when considering materials for a soil substrate to be use for a live organic potting mix. The traditional chemically based paradigm does not consider the nutritional value of a substrate mix to be of importance. But when applying a truly organic system, much of the nutrition is is directly or indirectly inherent in the soil. Both Nutrition and the physical properties of the substrate work together to effect the organic taste, rapid growth and health that organic growing offers in such style and grace.