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我们伊春林区的养蜂生产,主要蜜源来自椴树。实践告诉我们,正确地掌握椴树蜜源泌蜜规律,对于夺取蜂蜜的丰收有着十分重要意义。椴树别名菩提树。田麻科。落叶乔木,树高15～20米。我们地区有两种椴树。一,紫椴、又名小叶椴、籽椴,产蜜量最高;二,糠椴、又名大叶椴,产蜜量较紫椴低。我们的主要蜜源以紫椴为主。但是椴树蜜源不稳产,基本规律是分大小年,这是根据历年来养蜂生产的丰、欠年推算出来的。丰收年(大年)多数是公历单年,如1973年、
We Yichun forest beekeeping production, the main source of honey from lime trees. Practice tells us that correctly grasp the law of linden honey nectar secretion, for the harvest of honey has a very important significance. Linden Alias Linden. Tian Ma Branch. Deciduous tree, tree height 15 to 20 meters. There are two types of lime trees in our area. First, Tilia amurensis, also known as lobular linden, linden, the highest yield honey; Second, linden, also known as large-leaf linden, honey production than purple linden low. Our main source of honey to Tilia major. However, instability of linden honey source, the basic rule is the size of the year, which is based on the abundance of beekeeping over the years, derived from the estimated years. Harvest years (New Year) most of the Gregorian calendar single year, such as 1973,