Andrew Carpenter is a certified soil scientist, certified crop advisor and certified nutrient management planning specialist. Andrew has been recycling organic residuals and developing recycling programs for materials that have not historically been reused since 1992. He has extensive experience in research, planning and handling technical issues related to the reuse of organic residuals. Andrew received an M.S. in Plant, Soil and Environmental Science at the University of Maine. He founded Northern Tilth, LLC an environmental consulting firm focusing on organic waste management and building soil health, in 2003. Andrew is currently a Board Member of the Compost Research and Education Foundation (CREF).

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