PPT-Session 2: Fundamentals of the Composting Process

Cary Oshins USCC Learning Objectives Part 1 Understand the biology of the compost pile Part 2 Learn the six factors used to control the composting process the KEY PROCESS VARIABLES Why Biology. Composting generally applies to solid and semisolid organic residuals but there are good reasons to consider composting liquids There are all types of liquids that can be managed this way including liquid cow and calf manure blood from slaughter hou IDEM O Description What is composting?  Composting is the aerobic, oxygen - requiring, decomposition of organic materials by microorganisms.  Bacteria start the process and are res It’s Recycling…. Naturally. What is composting?. Grass clippings. Food scraps. Leaves. Using the natural process of decay to. change organic wastes into a valuable. humus-like material called . THE COMPOSTING HANDBOOK Be eco-friendly COMPOSTING 3 Top Dressing Treatinglawnsovercentimetercompostservesveryeffectivefeedinggrounddriedspring.Bysiftingcompostrst,youcanremoveanyunattractivelargep How does compost improve the soil? Compost does several things to benefit the soil that synthetic fertilizers cannot do. First, it adds organic matter, which improves the way water interacts with the Jason . Faucera. Clackamas SWCD Conservationist. jfaucera@conservationdistrict.org. . 503-210-6013. Nick Andrews. OSU Small Farms Horticulturist. nick.andrews@oregonstate.edu. . 503-913-9410. Definition of Composting. NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE. b. y. Teresa . C. . Weglarz. Department . of Biological . Sciences. University . of Wisconsin – Fox Valley. A presentation to accompany the case study: . Composting is the process of breaking down organic matter, and the elements and nutrients retained in it, back to a chemical state where it is again available for plants to use. What Does Compost do for Soil?. Adapted from the FAD PReP/NAHEMS . Guidelines: Disposal (2012). Composting . USDA APHIS and CFSPH. FAD PReP/NAHEMS Guidelines: Disposal - Composting, Rendering, and Burial . Aerobic decomposition method. Public Works Department. 1. Environmental Quality Commission. June 11, 2015. Background. Citywide 40% diversion goal by 2020. Resource Evaluation Study – 2014. Existing Mulching Operations. Pilot Food Scraps Composting Program – Implemented January 2015. Overview - NH’s Current Regulations and Practices Organics and Composting Melanie Doiron Pamela Hoyt-Denison NHDES Solid Waste Management Bureau B iodegradable material from plants & animals Includes, for example: -Site at LufaFarms Urban Rooftop GreenhouseMontreal QCCatherine ChurchCompost ManagerPlant Science Assistant atLufaFarms2008 50 of world population live in urban areas2050 Projected 70of world popul Composting. Carcasses layered. with organic material. Thermophilic microbes. Heat generation. Accelerates biological. decomposition. Destroys pathogens. Relatively safe and simple. Nutrient rich, organic byproduct. Senteno. . Photo Credit: http://stormpoo.com/index.php?/about/. Overview. Environmental Benefits . . Research with the MODS. Savings!. Cost. Conclusion. Composting Toilet in the North Cascades, WA.