The Long-Term Agro-ecological Research (LTAR) experiment: Ecological benefits of organic crop rotations in terms of crop yields, soil quality, economic performance and potential global climate change mitigation

Date
2014-01-01
Authors
Delate, Kathleen
Cambardella, Cynthia
Chase, Craig
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Altmetrics
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Leopold Center for Sustainable Agriculture
Abstract

Work continues in Year 16 of a long-term experiment comparing organic and conventional crop rotations. Adverse weather conditions in 2013 affected the production and performance of several crops in the rotations being studied. As a consequence of extended wet weather in spring, poor stands, delayed weed management and subsequent high weed populations, organic soybean yields were 26 percent lower than 2012. Organic corn yields were, however, greater than conventional corn, even when re-planting occurred on June 8.

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