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Summary: Current cropping systems in the USA may not be capable of producing adequate amounts of biofuel feedstock at competitive prices to petroleum. This Montana-based study (2007-2010) compared crop productivity, water balance, and key weed and arthropod pests of 2-yr oilseed-durum rotations under zero tillage. Rotations included durum with three Brassicaceae including camelina. Study found oilseed-durum rotations can be used for biofuel feedstock but long-term sustainability of 2-year rotations on yields and pest management requires further study.