8Barnett J P. Longleaf pine : Why plant it? Why use containers? [ G] ff Barnett J P, Dumroese R K, Moorhead D J, editors. Proceedings of workshops on growing longleaf pine in containers-1999 and 2001, USDA Forest Service, Southern Research Station, General Technical Report SRS-56, 2002:5-7.
9White B. Container handling and storage in eastern Canada[ C ]//Riley L E, Dumroese R K, Landis T D, et al. National proceedings: Forest and Conservation Nursery Associations-2003. USDA Forest Service, Rocky Mountain Research Station, Proceedings RMRS -P-33, 2003 : 10-14.
10Guinon M. Promoting gene conservation through seed and plant procurement[ R]. Rocky Mountain Forest and Range Experiment Station, General Technical Report RM-221. 1993:38-46.
