| 冠层温度-气温差与作物水分亏缺关系的研究 |
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| 引用本文： | 梁银丽,张成娥. 冠层温度-气温差与作物水分亏缺关系的研究[J]. 中国生态农业学报, 2000, 8(1): 24-26 |
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| 作者姓名： | 梁银丽 张成娥 |
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| 作者单位： | 中国科学院水利部水土保持研究所杨陵 |
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| 基金项目： | “九五”中国科学院重大项目(KZ951A1-301)和中国科学院特别支持项目(KZ95T-04-011)共同资助 |
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| 摘 要： | 试验研究了冬小麦在不同土壤水分条件下拔节～抽穗期冠层温度-气温差变化规律及其随作物生长发育期的变化状况。结果表明，作物在充分供水条件下冠层温度-气温差变化较平缓；缺水时变化较大。冠层温度-气温差随作物生长发育期的变化趋势为低水分处理高于高水分处理。冠层温度-气温差可较合理反映土壤水分变化状况和作物水分亏缺程度。
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| 关 键 词： | 冠层温度-气温差 作物水分亏缺 土壤含水量 |
| 收稿时间： | 1999-08-16 |
| 修稿时间： | 1999-08-16 |
The relationship between discrepancy of canopy and air temperature and crop water deficiency |
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| Liang Yin-li and Zhang Cheng-e. The relationship between discrepancy of canopy and air temperature and crop water deficiency[J]. Chinese Journal of Eco-Agriculture, 2000, 8(1): 24-26 |
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| Authors: | Liang Yin-li and Zhang Cheng-e |
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| Affiliation: | Institute of Soil and Water Conservation,CAS and Ministry of Water Resources,Yangling 712100;Institute of Soil and Water Conservation,CAS and Ministry of Water Resources,Yangling 712100 |
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| Abstract: | The changes of discrepancy between canopy and air temp erature of wheat under different soil moistures from jointing to heading stage w e re analyzed.The results indicated that the change of discrepancy between canopy an d air temperature was smooth under full water supply,and its change was large un der water deficiency.The change tendency of discrepancy between canopy and air t emperature with growth stage was higher under water deficiency than full water s upply.The discrepancy between canopy and air temperature can be an indicator use d for evaluating the change of soil moisture and the degree of crop water defici ency |
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| Keywords: | Discrepancy between canopy and air temperature |
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