大力发展杨树并促使速生丰产,这对于缓和当前我国木材供需的尖锐矛盾,具有重要意义,并能在短期内使我国木材产量和产值迅速增长,对开创我国林业生产新局面具有重大的战略意义。国外杨树栽培先进国家,均通过集约栽培,以短轮伐期方式来发展杨树速生丰产林的,主要是选择适宜的良种,保证水肥供应, Vigorously developing poplars and promoting fast-growing and high-yielding are of great significance for alleviating the acute contradiction between supply and demand of timber in our country and for rapidly increasing the output and output of timber in China in the short term, which is of great strategic significance for creating a new situation in China’s forestry production . Foreign poplar cultivation of advanced countries, are intensive cultivation, short rotation method to develop fast-growing poplar high-yield forest, mainly to select the appropriate varieties, to ensure that water and fertilizer supply,