The Economics of Natural and Human Resources in Agriculture by 
Agroforestry for Natural Resource Management by 
Engineering Agriculture at Texas A&M by 
Organic Food and Farming by 
Farming, Famine and Plague by The Official Website of the United States Department of Agriculture (USDA), provides leadership on food, agriculture, natural resources, rural development, nutrition, and related issues based on public policy, the best available science, and effective management.
The USDA National Agricultural Library houses one of the world's largest collections devoted to agriculture and related sciences. It provides an easy-to-use integrated search interface for finding current and historical materials in its collections.
The National Agricultural Statistics Service provides timely, accurate, and useful statistics in service to U.S. Agriculture.
The Forest Service, an agency of the U.S. Department of Agriculture, is the nation’s foremost federal forestry organization. The agency is a world leader in forest research, providing leadership in the sustainable management, conservation, use, and stewardship of natural and cultural resources on national forests and grasslands in the United States
As the USDA’s primary private lands conservation agency, the Natural Resources Conservation Service generates, manages, and shares the data, technology, and standards that enable partners and policymakers to make decisions informed by objective, reliable science.
An agency of the U.S. Department of Agriculture, dedicated to providing information and resources to farmers and ranchers in the United States.