论文部分内容阅读
甜叶菊属于短日照植物,在辽宁长日照的自然条件下不能开花结实。从南方调种,价格高,调入困难。我们采用人工短光照处理的方法,收到
Stevia is a short-day plant, in the long sunshine in Liaoning under the conditions of natural flowering can not be strong. Tuning from the south, the price is high, transferred to difficulties. We use artificial short photographic processing method, received