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Organic Topics
Vegetables
ABSTRACT UNDER CONSTRUCTION
WSU Websites
Organic Farming Systems
In 2003 an organic vegetable production systems experiment was established on organically certified research land at WSU Puyallup. The experiment compares 12 organic management systems, including three cover cropping systems, 2 tillage treatments, and 2 amendment types, arranged in a split-split plot design.
WSU Vegetable Research and Extension
Vegetable crop production and alternative crop development such as edamame, wasabi, bamboo, and organic seed production. Work is targeted for both small-scale and large commercial growers, with emphasis on organic production. Links include new fact sheets and information on grafted vegetables http://vegetables.wsu.edu/graftingVegetables.html .
WSU Publications
Soil Testing: A Guide for Farms with Diverse Vegetable Crops
Collins, D. 2012. Washington State University Extension. EM050E.
Organic horticulture expands globally
Granatstein, D., Kirby, E., Willer, H. 2010. Chronica Hort. December 2010. 50(4):31-38.
Organic Fertigation Products - April 2010
Article in Sustaining the Pacific Northwest Newsletter
Management of Damping-off in Organic Vegetable Crops in the Pacific Northwest - December 2009
Article in Sustaining the Pacific Northwest Newsletter
High Tunnels: Improving Crop Quality, Extending the Season, and Increasing Farm Profitability - Summer 2007
Article in Sustaining the Pacific Northwest Newsletter
Tomato Yield and Late Blight Study - March 2005
Article in Sustaining the Pacific Northwest Newsletter
Alternatives to Plastic Mulch for Organic Vegetable Production - June 2005
Article in Sustaining the Pacific Northwest Newsletter
WSU Presentations
Can we grow more nutritious fruits and vegetables using organic farming methods?
Organic farmers have claimed for years that better quality soils produce more nutritious foods, but until recently scientific evidence for such claims has been wanting. Recent research of organic farming systems provides some evidence that this claim may be true under certain circumstances. Detractors of organic farming claim that the only reason why organic crops may at times have more phytonutrients than conventional crops is that organic crops are exposed to more stresses. This may be because of the lower nutrient availability of organically approved fertilizers or injury caused by pests and pathogens because of limitations on the pesticides that can be used. To evaluate the claims both for and against, research comparing organic and conventional farming systems are presented, along with a discussion of ways in which more nutritious fruits and vegetables can be grown.
Resources
Some WSU Extension websites provide links to external sites for the convenience of users. These external sites are not managed by WSU Extension. Furthermore, WSU Extension does not review, control or take responsibility for the content of these sites, nor do these sites implicitly or explicitly represent official positions and policies of WSU Extension.
Organic Farming Cost and Return Studies
University of California. Includes lettuce, tomato, mixed vegetables, tree nuts, apples.
National Organic Program
includes policies and updates, the new organic seal and its use, lists of organic certifiers, N.O.S.B. (National Organic Standards Board) members and updates, and resource links.