United States Department of Agriculture.
USDA. Agricultural Research Service.
"This Agricultural Research Service (ARS) national program, Integrated Agricultural Systems (IAS), is designed to facilitate the synthesis, evaluation, and transfer of information to all types of agricultural operations using a 'systems approach.'"
USDA. Sustainable Agriculture Research and Education. 2nd edition. 2017
Learn how to conduct research at the farm level using these tips for crop and livestock producers, resources lists and real-life examples.
Purdue University identified on-farm research programs, presentations, references and useful Web sites to help researchers plan and work with on-farm research trials.
Rodale Institute is conducting independent agricultural research in composting, soil health, weed management, pest management, livestock issues, organic agriculture and certification, agroforestry, and wastewater treatment. The Farming Systems Trial started in 1981 to study the transition from chemical to organic agriculture.
University of California - Davis. College of Agricultural and Environmental Sciences.
The University of California's Century Experiment (formerly known as LTRAS-Long Term Research on Agricultural Sustainability) is a 100-year study in which researchers "measure the long-term impacts of crop rotation, farming systems (conventional, organic and mixed) and inputs of water, nitrogen, carbon and other elements on agricultural sustainability."
Organic Farming Research Foundation.
This document "tracks and reports organic programs and activity in the U.S. land grant university system. The specific details on organic research, education, and extension of each of the 72 land grant institutions investigated for this report are a rich source of information."
Organic Farming Research Foundation (OFRF).
Presents an extensive overview of on-farm research.