poplar and willow

Research of the seedling salt-tolerance of new poplar and willow clones on the seashore marsh

海滨湿地杨树、柳树新无性系苗期耐盐性研究

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Achievements and Experiences in Poplar and Willow Breeding in Yugoslavia

南斯拉夫杨柳树育种的成就和经验

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Formal agreements for cooperation were signed and new relationships were cemented for future collaboration with key poplar and willow researchers, growers and users in Italy.

双方还正式签署了合作协议，进一步巩固了中方与意大利主要杨树和柳树研究人员、种植者、消费者的长远合作关系。

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Experimental results indicated that for the introduced fast-growing poplar and willow the cutting cultivating and the seedling planting of all clones had no significant difference in survival rate.

对优良林草品种的选择和林草复合经营技术试验结果表明：引进的速生杨、速生柳各无性系间的扦插繁育和植苗造林成活率均不存在显著性差异；

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The insect pest has 2 generations per year and overwinters as eggs in surface layer of trunks and twigs of Poplar and Willow trees in this area.

该害虫在阿勒泰地区1年发生2代，以卵在杨树、柳树等树干和枝条表皮内越冬。

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Study on Cultivation Technique of Short Rotation Pulp Forest With Poplar and Willow Clones

杨柳无性系短轮伐期纸浆林培育技术研究

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The position of poplar and willow in landscape ecosystem of Changchun City, China

杨柳树在长春市街路广场园林生态系统中的地位研究

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Research on the Productivity and Carbon Density of Natural Poplar and Willow Forest in Ergis River, Xinjiang

新疆额尔齐斯河天然杨柳林生产力与碳密度的研究

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Study on the Seedling Salt-tolerance of New Poplar and Willow Clones on the Coastal Area

海岸带杨柳新无性系苗期耐盐性研究

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Study on Pulp Making Properties of Short Rotation Poplar and Willow Wood

短轮伐期杨、柳材的制浆性能研究

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Test on Planting Density and Rotation Time and Analysis on Combustion Characteristics of Poplar and Willow Energy Plantation

杨柳能源林种植密度和轮伐期试验及其燃烧特性分析

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Cutting Technique of Poplar and Willow in Low-lying Land

低洼地杨柳扦插育苗技术

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Poplar and willow forests in Yugoslavia have an area of150000ha, be-ing1.5% of the national total, but the timber output is8% of the gross national pro-duction.

南斯拉夫共有杨柳树林地15万公顷，仅占森林面积的1.5%，但其木材产量却占全国木材总产量的8%。

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