摘要
香榧为我国特产名果,但其栽培区域至今仍局限在会稽山、天目山、黄山山区。以主产地诸暨市陈蔡乡及嵊县竹溪乡的22a17个气象因素及8个地势、土壤质地、肥力指标,并赋以权重作为识别区,以诸暨市林科所所在地为待识别区,结果用两对象之间的隶属度加权累加值(TDR)表示,TDR(诸,陈)=68.270,TDR(诸,竹)=36.567,说明诸暨市林科所所在地不宜引种栽培香榧。实地试验证明,1959年诸暨市林科所所在地引种栽培的香榧产量,不及主产区的1/3,分析其差异主要在海拔高度、土壤质地、pH值、有机质及肥力等。
Chinese torreya has only been cultivated in the regions such as Mt. Kuaiji, Mt. Tianmu and Yellow Mountain. The two places, Chenchai village of Zhuji City and Zhuxi village of Sheng County, were taken as main recognizing sites according to weighting factors such as 17 meteorological elements during 22 years and 8 soil factors, and Forestry Research Institute of Zhuji City as waiting recognizing site. The results showed that TDK (Chencai) = 68.270 and TDR (Zhuqi) = 36.567, which indicating that it's not suitable for introducing Chinese torreya into the locality of Forestry Research Institute of Zhuji City, there the yield of Chinese torreya introduced in 1959 was no more than 1/3 of that in the main recognizing site just with the causes of elevation, soil texture, pH, organic matters and fertility.
出处
《浙江林学院学报》
CSCD
1993年第2期152-156,共5页
Journal of Zhejiang Forestry College
基金
国家自然科学基金
关键词
香榧
引种
适应性
Chinese torreya (Torreya grandis Fort.)
favourable ecological region
pattern recognition
