朝阳县二十家子镇林业站的刘海龙是分管护林大队的副站长,他和二十几名护林员肩负着全镇23个行政村、194个村民组、镇域总面积138.2平方公里内森林的防火重任。今年最让刘海龙高兴的是,年初栽下的700亩经济林不仅成活率高,而且长势喜人。他指着面前已长到一人多高的树苗说,这是一种速生杨,前三年可以与玉米等农作物间种, Liu Hailong, a director of the Forestry Bureau of Twenty Jiazi Town in Chaoyang County, is the deputy chief in charge of the forest guard brigade. He and the two dozen forest rangers shoulder the responsibility of 23 administrative villages and 194 villager groups in the town with a total area of ​​138.2 square kilometers Forest fire duty. Liu Hailong most pleased this year is that the beginning of the planted 700 acres of economic forest is not only high survival rate, but also grows gratifying. He pointed to the seedlings that had grown to the height of one before. He said that this is a fast-growing poplar. In the first three years, it could intercrop with crops such as corn,