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A Heightened Need for New Rotational Winter Crops in California
The introduction of new, economically viable, winter annual crops will therefore help farming industries remain viable in the face of climate variability and restricted irrigation water supplies.
Canola & Camelina as Potential Winter Cropping Alternatives in California
Canola (Brassica napus) is frequently used to diversify cereal-dominated cropping systems in other parts of the world [9-11], and could therefore be considered for the diversification of winter cropping in California. Globally, canola is one of the most important oilseeds in terms of total production . Most canola production in the US takes place in ND, OK, MT, ID and MN , with effectively no commercial canola production in California. Relative to other oilseeds, canola has received the greatest research and development effort, and has the greatest yield potential under good growing conditions.
UC Davis Variety Trials and Agronomic Research on Canola & Camelina
Successful extension and adoption of new crops requires consistent, reliable, rigorus and high quality R&D. Workers should aim to avoid unnecessarily tarnishing growers opinions regarding new through inappropriate variety choices or avoidable agronomic mistakes. This report is not intended as a Californian production guide for either canola or camelina. Production guides for both species are available from a number of other sources and we strongly suggest workers refer to these sources of information.
For detailed production information relating to canola, please refer to grower manuals provided by:
• Canola Council of Canada (http://www.canolacouncil.org/)
• US Canola Association (http://www.uscanola.com)
The Great Plains Canola Production Handbook is also useful source of information . In some cases the information in these guides is for regions that differ climatically from California and therefore may not be directly applicable. Given the climatic similarities between California and the canola producing regions of southern Australia, we refer people to the Canola best practice management guide for south-eastern Australia  and Growing western canola: An overview of canola production in Western Australia . There are fewer guides for camelina, but Washington State University recently published Camelina Production in the Dryland Pacific Northwest .
When conducting variety assessments we suggest workers adhere to established protocols for oilseeds. These include the Australian Grains Research & Development Corporation National Variety Trials (http://www.nvtonline.com.au) and the Kansas State University National Winter Canola Variety Trials.