Growers across the globe are increasingly growing blueberry plants in substrates —soil-free media mixtures typically housed in containers. In warmer climates, where southern highbush varieties are grown, the practice is more common. Yet, the method has barely penetrated U.S. production. Today, traditional open-field production remains the most economically viable option for U.S. blueberry growers, but according to those familiar with substrates, the method could help smaller or more progressive growers find the right sales niche.
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