professional engineering team poultry composting system
Chapter 2 Composting – USDA
Chapter 2, Composting, was initially prepared by Robert E. Graves, pro- fessor, Agricultural and Biological Engineering Department, Pennsylvania State University, and Gwendolyn M. Hattemer, engineering project as- sociate, Agricultural and Biological Engineering Department, Pennsylvania State University.
Services – Engineered Compost Systems
Engineered Compost Systems (ECS) is the only engineering firm in North America with multiple in-house full-time compos...
