Michigan State University horticulture researcher Erik Runkle thinks that no one should be kept in the dark about greenhouse lighting - especially with the book Lighting Up Profits: Understanding Greenhouse Lighting available. "In general, many growers don't really understand the concepts of lighting, so they don't use lighting systems to improve their crop production," said Runkle, who co-edited Lighting Up Profits with Paul Fisher at the University of New Hampshire.
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