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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. | ||
杨树;速生丰产林;技术管理理。 Poplar; Fast-grown forest; Technical management. | ||
单位介绍:梁山远东木业主要加工生产经营:细木工板,杨树原木。杨树板皮。木片。树枝。下脚料。 Liangshan major Far East wood processing operations: poplar logs. Poplar board Paper. Wood. Branches. Scraps. | ||
杨树人工林冻裂率为60%以上。 The frost crack rate of poplar plantation is above 60%. | ||
杨树是朝阳地区的主要用材树种。 Poplar is the main timber tree species in Chaoyang region. | ||
“中国在杨树种植方面取得了巨大成功。”卡尔说。 "Poplar planting in China has been a tremendous success," said Carle. | ||
杨树还可为森林产业提供木材、纤维和薪材。 Poplars also provide wood, fibre and fuelwood for forest industries. | ||
1983年,杨树峰被分配到兰州园林局,居住在金城盆景园。 In 1983, Yang Shufeng was allotted to Lanzhou Bureau of Parks and Woods, living in Jincheng bonsai garden. | ||
柳树、桦树、杨树早早就进入了冬眠期,只有青松还在傲立寒冬。 Willow, birch, poplar early on into the hibernation period, only the pine is still standing proudly winter. | ||
本文论述了泰来县杨树苗木主要害虫种类,并提出了防治对策。 This article discusses kind of pests of piplar seedlings in Tailai county and puts forward control measures . | ||