4Wang Yintong. Deferring flowering of greenhousegrown Phalaenopsis orchid by alternating dark and light [J]. The American Societ Y for Horticultural Science, 1998, 123 (1): 50-60.
5D.L Critten,B.J Bailey.A review of greenhouse engineering developments during the 1990s[J].Agricultural and Forest Meteorology.2002(1)
