Oklahoma Alfalfa
- Production information including tips, extension publications, photos, facts, and trivia.
- http://alfalfa.okstate.edu/

National Alfalfa Information System (NAIS)
- Informational and educational resources on alfalfa production, management, and utilization intended for individuals involved in marketing, advising farmers and ranchers, and producing or using alfalfa.
- http://forages.oregonstate.edu/IS/NAIS/default.cfm

Oklahoma Cooperative Extension Service Publications: Alfalfa
- Online publications on growing and managing alfalfa crops.
- http://pods.dasnr.okstate.edu/docushare/dsweb/View/Collection-116

University of California Alfalfa Workgroup
- Information on symposia proceedings, research, testing, seed production, and the alfalfa industry in California.
- http://alfalfa.ucdavis.edu/

University of Wisconsin Extension: Alfalfa
- Covers variety selection, plant growth, pest management environmental effects, cutting schedules, and other information on crop production and management.
- http://www.uwex.edu/ces/crops/uwforage/alfalfa.htm

Pennsylvania State University Forages: Alfalfa
- Covers characteristics, establishment, grazing, and fertility information.
- http://www.cas.psu.edu/docs/casdept/agronomy/forage/docs/species/alfalfa.html

Alfalfa Plant Diseases and Damage
- Links to images and articles about diseases affecting alfalfa plants and crops.
- http://www.ent.iastate.edu/imagegal/plantpath/alfalfa/

Alfalfa Management In North Dakota
- Comprehensive information on growth and production.
- http://www.ext.nodak.edu/extpubs/plantsci/hay/r571-1.htm

Alfalfa Council
- Develops publications and programs covering a wide range of subjects of concern to alfalfa growers.
- http://www.alfalfa.org/

Alfalfa
- Discusses crop history, varieties, and planting.
- http://agri.atu.edu/people/Hodgson/FieldCrops/StudentWork/Vicki_Shaw.html