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AN ECOLOGICAL GEOCHEMICAL MODEL FOR JINGDONG CHINESE CHESTNUT |
GONG Jin-zhong1, LIU Jian-bo2, LIU Jun-zhang1, Guo Ji-song1 |
1. Hebei Institute of Geophysical Exploration, Langfang 065000, China;
2. Qinhuangdao Party of Mineral Exploration, Hydrology and Engineering Geology, Qinhuangdao 066000, China |
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Abstract Based on the data of the Chinese chestnut yield of Qianxi County in 2001 and contents of 42 elements in stream sediments obtained from regional geochemical exploration, the authors sifted significant correlation variables and established the regression equation between element contents and Chinese chestnut yield. In the light of the natural landscape conditions,this paper has inferred the expected yield of Jingdong Chinese chestnut,and indicated favorable and unfavorable areas for producing Jingdong Chinese chestnut, thus guiding regional rational arrangement of Chinese chestnut production.
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Received: 19 February 2005
Published: 24 April 2006
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