Therefore, high pressure sodium lamp lightening by night is most helpful in production and using low cost incandescent lamp can obviously increase flower shoot produce in autum and winter in Taiwan.

• 因此，生产上以高压钠灯夜间光照组对产量增加帮助最大，但台湾冬季可用成本较低的钨丝灯，即可明显增加秋冬季产量。