摘要
在嘉鱼县平原湖区进行黑杨派南方型无性系不同地类不同林分造林栽培试验,采用定性定量相结合的研究方法,通过定株连续测定数据分析,结果表明,不同立地类型的林分,其生长量都达到或超过了湖北省颁布的意杨速生丰产的标准,经济、生态和社会效益显著。
Some cultivated tests were made in plain lake region of Jiayu county on silviculturing in different stands and different kind of soils with southern type of series black poplar by a combination of puantitative & qualitative research method. Through analysing the data continously-measured from constant stumps, they found that the growth increments for the different site type's stands all reach or surpass the high-yield and fast growth standard values for italian poplar promulgated by Hubei province;their economic,eco1ogical and social effects are remarkable.
出处
《湖北林业科技》
1997年第3期1-4,共4页
Hubei Forestry Science and Technology
关键词
杨树
不同地类
栽培
无性系
italian poplar, different kind of soil, culture