杨树和榆树是我区乡土树种,适应性强,木材用途广,防护作用显著,群众也最喜欢栽植。目前,正是杨树、榆树的采种时期,建议各地发扬自力更生的革命精神和贯彻“自采、自育、自选”的方针,充分发动群众,掌握时机,作到熟一片采一片、熟一株采一株,随熟随采,力争把杨树、榆树种子全部采集到手,以便逐步满足我区造林育苗的需要。 Poplar and elm trees are native trees in our district, adaptable, widely used wood, significant protective effect, the people also like planting. At present, it is the planting period of poplar and elm trees. We suggest that all localities should carry forward the revolutionary spirit of self-reliance and implement the principle of “self-cultivation, self-cultivation and self-selection”, mobilize the masses and seize the opportune time so that they can acquire familiarity with each other Mining a strain, with the ripe with mining, and strive to poplar, elm seeds collected all hands in order to gradually meet the needs of our region afforestation nursery.