5Montville M. E, Wenny D.L. Application of forlia fertilizer during bud initiation treatment to container- grown conifer seedlings[A]. In: Proc.Combined meeting of the Western forest nursery association [C]. Roseburg Orgon. USDA, Forest Service, General Techn. Report RM- 200, 1990
6Timmer V. R, Miller B.D. Effects of container fertilization and moisture regimes on biomass, nutrients and water relation of container - grown red pine seedlings[J]. New Forests, 1991,5(4): 335 ～ 348
7Brissette J. C, Tiarks A. E, et al. Comparing the effects of equal versus increasing application rate of nitrogen on the quality of shortleaf pine seedlings [A]. In: Proc. of the Fifth biennial southern silvicultural research conference[C]. USDA, Forst Service, General Techn. Report SO- 74, 1988
8Eastham A.M. Regulation of seedling height in container - grown spruce using photoperied control [A]. In: Proc. Combined meeting of the Western forest nursery association [C]. Roseburg Orgon. USDA, Forest Service, General Techn. Report RM - 200,1990
9Grossnickle S. C, Majio J. B, et al. Morphological development of field -planted Western hemlock seedling from various dormancy induction treatments[A]. In: Proc. Combined meeting of the Western forest nursery association[C]. Roseburg Orgon. USDA, Forest Service, General Techn. Report RM-200, 1990
10Landis D, Tinus R.W. et al. The container tree nursery manual(2),Containers and growing media [M]. USDA, Forest Service, Agri,Handbook, 1990
