Hildebrand D.M. 1990. A review of soil solar heating in western forest nurseries. In: Landis T.D. (Tech. Coord.), Proceedings, Intermountain Nursery Assoc. USDA Forest Serv., Rocky Mtn. Forest and Range Exp. Sta., Fort Collins, Colorado. Gen. Tech. Rep. RM–184, pp. 49–51. D....