Asparagus in tropical Australia - From the Department of Primary Industries, Queensland, Australia, these notes cover the establishment, maintenance and harvest of commercially grown asparagus. - http://www2.dpi.qld.gov.au/business/10364.html
Michigan Asparagus Advisory Board - Promotes the production and sale of the vegetable, and assists in research. Also includes recipes, nutritional information and details on the asparagus industry in Michigan. - http://www.asparagus.com
Asparagus - Kansas State University - Cultural details on growing the crop that includes husbandry, pests and diseases, harvesting and returns. [PDF] - http://www.oznet.ksu.edu/library/hort2/mf1093.pdf