Studies on Pattern Recognition of Favourable Ecological Regions of Chinese Torreys

Liu Quan; Liu Hai

Volume 10 Issue 2

May 2019

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Liu Quan, Liu Hai. Studies on Pattern Recognition of Favourable Ecological Regions of Chinese Torreys[J]. Journal of Zhejiang A&F University, 1993, 10(2): 152-156.

Citation:

Liu Quan, Liu Hai. Studies on Pattern Recognition of Favourable Ecological Regions of Chinese Torreys[J]. Journal of Zhejiang A&F University, 1993, 10(2): 152-156.

Studies on Pattern Recognition of Favourable Ecological Regions of Chinese Torreys

Liu Quan,
Liu Hai

1.
Zhejiang Agricultural Univarsity, Hangzhou 310029, PRC

Received Date: 1992-04-29
Publish Date: 1993-06-20

Abstract

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 TDR (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.
- Chinese torreya (Torreya grandis Fort.),
- favourable ecological region,
- pattern recognition

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Studies on Pattern Recognition of Favourable Ecological Regions of Chinese Torreys

1. Zhejiang Agricultural Univarsity, Hangzhou 310029, PRC

Received Date: 1992-04-29

Publish Date: 1993-06-20

Key words:

Chinese torreya (Torreya grandis Fort.) /
favourable ecological region /
pattern recognition

Abstract: 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 TDR (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.

Studies on Pattern Recognition of Favourable Ecological Regions of Chinese Torreys

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views