Cover Crops, Green Manures and Mulches

Plastic mulch

Do you have it covered? Find information about the beneficial uses of living plants, organic matter and other materials in cropping systems including protection of soil or delicate plantings, soil enrichment, management of runoff and leaching, water conservation and weed control.

Soils and Compost

National Center for Appropriate Technology. ATTRA - National Sustainable Agriculture Information Service.

Publications and other resources on how to assess, improve and maintain soil health for both croplands and pastures including principal uses and benefits of cover crops and green manures. Of particular interest is an Overview of Cover Crops and Green Manures.

Cover Crop Database

University of California. Sustainable Agriculture Research and Education Program.

This database contains information pertaining to 40 crop species derived from journal articles, conference proceedings, standard textbooks, unpublished data and personal communications from researchers and farmers. Plant descriptions, cultural requirements and uses are given for each species.

Cover Crops

Oregon State University. Forage Information System.

A collection of publications, experts, media and links covering species, establishment, management, incorporation and removal of cover crops.

Cover Crops and Green Manures

University of Hawai'i. College of Tropical Agriculture and Human Resources.

A series of fact sheets divided into leguminous and non-leguminous selections for use as cover crops and green manures.

Cover Crops for Sustainable Production

North Carolina State University. Cooperative Extension. Chatham County Center.

Fact sheets and resources on selecting and using cover crops in North Carolina and the southeastern region of the U.S., especially for organic production.

Missouri Alternatives Center: Link List

University of Missouri. Cooperative Extension Service.

Links to hundreds of full-text Extension publications that address all kinds agricultural alternatives including a wide range of crops, livestock species and production systems. Topics include cover crops and green manure crops, mulches and vegetable mulches.

Michigan Cover Crops

Michigan State University. Kellogg Biological Station.

Provides an overview of cover crops, more detailed information about suitable species, cropping systems and organic research and links to additional sources of information.

Cover Crops for Conservation Tillage Systems

The Pennsylvania State University.

A publication that addresses the benefits and disadvantages of , common varieties, and management and suppression of cover crops.


University of Missouri. Cooperative Extension Service.

A review of several types of mulch materials with details such as resistance to compaction, attractiveness, resistance to wind blowing, availability, source of weeds and disease and fire hazard rating.