| 鲁西北平原作物群体几何性状研究 |
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| 引用本文： | 董振国,刘谪文. 鲁西北平原作物群体几何性状研究[J]. 中国生态农业学报, 1995, 3(1): 18-22 |
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| 作者姓名： | 董振国 刘谪文 |
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| 作者单位： | 中国科学院地理研究所 北京 100101;中国科学院地理研究所 北京 100101 |
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| 摘 要： | 作物群体几何性状用叶倾角和叶方位角表示。叶倾角的大小主要决定于作物品种的遗传特性，受种植方式的影响较小。叶倾角大的作物品种，群体叶面积大；叶倾角小的作物品种，群体叶面积小。叶方位角的分布主要受种植方式的影响。
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| 关 键 词： | 群体几何性状 叶倾角 叶方位角 |
| 收稿时间： | 1994-06-21 |
| 修稿时间： | 1994-08-01 |
Geometrical Characteristics of Crop Colony in Northwest Shandong Plain |
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| Dong Zenguo and Liu Ruiwen. Geometrical Characteristics of Crop Colony in Northwest Shandong Plain[J]. Chinese Journal of Eco-Agriculture, 1995, 3(1): 18-22 |
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| Authors: | Dong Zenguo and Liu Ruiwen |
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| Affiliation: | Institute of Geography,CAS,Beijing 100101;Institute of Geography,CAS,Beijing 100101 |
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| Abstract: | The geometrical characteristics of crop colony are described by leaf inclination and position angles.The leaf inclination angle is mainly affected by genetic characters of the crop,the planting design has little influence on it.Leaf area index is larger for the variety with larger inclination angle,and smaller for the variety with smaller inclination angle.The leaf azimuth to a great extent is decided by the planting design. |
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| Keywords: | Colony geometrical characteristics,Leaf inclination angle Leaf azimuth |
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