![UGA horticulture Professor Marc van Iersel's research focuses on developing sustainable and cost-effective ways to ensure that crops — such as these turnip plants in a grow room at his greenhouses — get the amount of light they need to grow.](http://secure.caes.uga.edu/news/multimedia/images/7236/36777-006.jpg)
Controlled environment agriculture poised to become a growth industry
Next time you sit down to a crisp, green salad take a little time to think about where your leafy greens come from. Traditional agriculture is highly weather dependent, and many producers of high-value crops are shifting over from field production to controlled environment agriculture.