Show use electric electr ic heat on michigan truck farms truck and nursery farms in alien igan are using electric heat to force their plants with quite astonishing results according to reports from dc da after several months of development and experiment a low wattage element has been designed which plugs into a convenient outlet connection and Is being used by truck farms for seed germinating propagating cutting bench and outdoor hotbed during the spring season an electric element of this tyr type in nn an outdoor hotbed prevented freezing oi of the plants when neighboring hotbeds of the were frosted |