The USDA's National Agricultual Library provides access to a wide array of resources pertaining to alternative farming methods, including organic food production, sustainable agriculture, and community supported...

This site contains the following categories of information related to sustainable agriculture: Bibliographies of articles and research publications, searchable sites and databases, educational resources for elementary,...

This not-for-profit, North Carolina community-based effort promotes farmland protection and sustainable production systems through research, development, policy support and promotion.

This organization promotes sustainable agriculture. Their website provides publications on production practices, alternative crop and livestock enterprises, innovative marketing, and organic certification, and highlights...

This 2002 publication, from the Land Institute, describes the benefits and practicality of converting world-wide grain crop production from annual to perennial plants.