Summary: Earning his degree in agronomy put Marty Campfield on a path that led him eventually to work for AZOMITE selling this unique nutrient dense fertilizer/soil amendment product. He helps explain about the importance of nutrients in the soil, and how different forms can easily break down for quick plant consumption or slowly break down for long term nutrient availability. Marty also shares tips on different methods of application for this mineral rich substance. www.urbanfarm.org/azomite
