杨树是生长较快的树种之一，生产周期为5至15年，用途广泛。
Poplar is one of the faster growing trees, with production cycles of 5 to 15 years, and has a wide range of end-uses.
在泗阳，种植面积超过10万公顷的杨树如今已成为该县的主要树种，而且过去三十年来，林木覆盖率也从最初的7%增加至47%。
Covering more than 100,000 hectares of the county's land area, poplars are today Siyang's principal tree species, increasing its tree cover from seven to 47 percent over the last 30 years.
粮农组织国际杨树委员会与泗阳合作栽培杨树的历史可以追溯到20世纪70年代，当泗阳县首次从意大利引进32棵杨树无性系之时。
The history of Syiang's cooperative partnership in poplar cultivation dates back to the 1970s, when Siyang County first imported 32 poplar clones from Italy.
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