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《Journal of Nanjing Forestry University》 1984-01
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Wang Hanjie (Department of Forestry)  
In this paper, the author took the intercropped fields of forest (Taxodium ascedens Brongn) and cereal crops as analytic target, which is located in Han Jiang County of Jiangsu Province. The shade effect of upper trees on the crops was discussed and some numeric bases were provided for the reasonable arrangement of intercropping density and full utilization of light and heat resources. The height and azimuth of the sun in every other hour during the day in Yang-shou district were computed for a year by use of the traditional formulas. The geometric characteristics of the Taxodium ascedens Brongns canopy, the properties of the crops (mainly rice) under the tree to make use of the solar energy, and the time for repeated shading by individual Taxodium ascedens Brongn as well as the reasonable density of afforestation in which there would be no repeated shade effects between lines and rows of 10-year Taxodium ascedens Brongn forest in different ecologic conditions were discussed. A systematic programme (BASIC Ⅱ) to compute the apparent motion orbit of the sun in any area (including the solar declination, sunshine time, the height and azimuth of the sun in evevy othev hour, etc.) and an approximative geometric method to measure the canopy structure of Taxodium ascedens Brongn were provided.
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Chinese Journal Full-text Database 4 Hits
1 Wang Ying 1, Yuan Yuxin 1, Pei Baohua 1, Zhang Shilian 2 (1 Hebei Agricultural University,Baoding 071000 2 Baoding Forestry Institute,Baoding 071000);A REVIEW TO TREE CROP INTERCROPPING IN CHINA[J];HEBEI JOURNAL OF FORESTRY AND ORCHARD RESEARCH;1999-03
2 Wang Hanjie (Department of Forestry);A NUMERICAL STUDY ON THE CHARACTERISTICS OF TEMPERATURE AND HUMIDITY WITHINAN ARTIFICIAL FOREST[J];Journal of Nanjing Forestry University;1985-04
3 Shen Quan;Tang Rongnan(Nanjing Forestry University,210037China);A THEORETICAL STUDY ON THE NUMBER OF TREES IN AN INTERPLANTED TEA STAND[J];Journal of Biomathematics;1994-S1
4 LIU Nai-zhuang (Nanjing Institute of Meteorology,Nanjing 210044);Light Distribution in Crop-tree Intercropping Area and its Agricultural Value[J];;1993-03
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1 JIANG Yue-lin, YAN Ping, WAN Zhi-hu, ANG Chao-dong(AnhuiAgriculturalUniversity,Hefei 230036);Illum ination on lntercropping of Poplar with Wheatand It'slnfluence on Yield of Wheat[J];AUHUI AGRICULTURAL SCIENCE BULLETIN;1999-04
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【Secondary References】
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1 JIANG Yue-zhong~(1,2);LIU Sheng-fang~2;MA Lü-yi~1;MA Ling~2; JIANG Cheng-ping~3.1 College of Resources and Environment,Beijing Forestry University,100083,P.R.China;2 Shandong Academy of Forestry Sciences,Ji'nan,250014,P.R.China;3 Forest Seedling Station of Yantai City,Shandong Province,264000,P.R.China.;Effects of tree-crop intercropping on young plantations of Populus tomentosa.[J];Journal of Beijing Forestry University;2006-03
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6 Xiong Wenyu (Hsiung Wenyue) & Wang Hanji (Department of Forestry);ON ECOBOUNDARY SYSTEM[J];Journal of Nanjing Forestry University;1986-02
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