窄高床播种是盛行在东北各省的一种播种方法,在东北各省适用于小叶杨、桑树等的播种。其优点如下:1.广泛的开展畜力化,大大的节省工力和劳动强度。2.用该法播种一般每亩只需1—1.3个工,而作床播种(包括作床工)每亩则需8—10个工,因此,可提高工效6—8倍。3.保水能力 Narrow-height sowing is a sowing method prevailing in the northeastern provinces and is suitable for sowing poplar, mulberry and other trees in the northeastern provinces. Its advantages are as follows: 1. Extensive animalization, greatly saving labor and labor intensity. 2. The method used to sow generally only 1-1.3 per acre, and for bed sowing (including as a bed) per mu need 8-10 workers, therefore, can improve work efficiency 6-8 times. 3. Water retention capacity