Skip to main content


Composting is an aerobic process in which microorganisms decompose organic materials, such as livestock manure, yard trimmings, and food scraps. The process reduces moisture and volume and results is a rich stable soil-like product that can be used as a soil amendment.

Click on the titles below to link to additional information.


Optimizing compost mixing ratios (English units)
Optimizing compost mixing ratios (Metric units)
Composting system for avian flu mortalities
Composting lab workbook


Ohio Mortality Composting Certification Course (Ohio State) 
Ohio Mortality & Slaughterhouse Waste Composting Manual (Ohio State)
Mortality Composting: 2018 International Symposium Presentations
Michigan Compost Operator Guidebook
NRAES-54 On-Farm Composting Handbook
NRAES-114 Field Guide to On-Farm Composting
NRAES-094 Composting for Municipalities
On-Farm Composting Guide - British Columbia
On-Farm Composting Toolkit | Connecting farmers and food scraps
USDA NRCS Soil Carbon Amendment Conservation Practice Standard
ILSR: State of Composting in the U.S.
-  Controlling Composting Odors (BioCycle) 
Manure and Compost: Nutrient Availability (Ohio State)
-  Interpreting Compost Analyses (Oregon State)
Composting at Home (Ohio State)

For teachers;
Composting in the Classroom (Ohio State)
Composting in the Classroom: Scientific Inquiry for High School Students (Cornell University)


Evolution of Composting at Ohio State University
Composting Systems for Ohio Dairy and Hog Farms
Opportunities and Challenges in Composting
Composting at Home Series


Ohio EPA: Composting Program
US Composting Council
BioCycle: Find a Composter
Black Gold - Composting at Home
Creating the Best At-Home Composting System