1988, the four northern Da Hinggan Mountains Larch are not flowering solid, standard survey found Larix a flower bud differentiation, therefore conducted a survey on the flower buds.

• 1988年,大兴安岭北四局兴安落叶松都没有开花结实,在标准地调查中发现兴安落叶松有花芽分化,于是对花芽进行了调查。