A recent article published in Ohioline summarizes how the growth of state-bounded recreational and medical marijuana markets may impact the hemp industry in states like Ohio. In that article, federal and state regulations are put in perspective, followed by a review of developments in consumer behavior and responses from leading producers in states with recreational status.
Protected cultivation has developed primarily as a season-extension technology for food crops by applying simple protection from cold temperatures. Structures classified as ‘high tunnels’ are typically equipped with single- or double-layer polyethylene film glazing and often do not have a heating system. When outside temperatures drop below freezing and the days are cloudy and overcast, it is difficult to maintain temperatures for crop growth inside these unheated structures which limits the crops’ production season.