河北省果树发展战略及对策
Canary Island Ivy. HortiScience 1998，33（2）：237-239[7] E. Jay Holcomb and Robert Berghage. Photoperiod， Chilling， and Light Quality during Daylight Extension Affect Growth and Flowering of Tissue-cultured Easter Lily Plants. HortiScience. 2001，36（1）：53-55[8] R.D. Heins， B. Liu， E.S. Runkle. Regulation of crop growth and development based on environmental factors. Acta Hort.
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