| 基于果树需水信号的精量灌溉控制理论与技术 |
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| 引用本文： | 龚道枝,雷志栋,郝卫平.基于果树需水信号的精量灌溉控制理论与技术[J].灌溉排水学报,2009(4). |
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| 作者姓名： | 龚道枝 雷志栋 郝卫平 |
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| 作者单位： | 清华大学土木水利学院;中国农业科学院农业环境与可持续发展研究所农业部旱作节水农业重点开发实验室; |
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| 基金项目： | 国家自然科学基金青年基金项目(50709040);;国家自然科学基金面上项目(30871447);;国家科技支撑计划资助项目(2006BAD29B02,2007BAD88B03) |
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| 摘 要： | 在分析果树精量灌溉技术的科学意义和应用价值后,总结了国内外相关领域的研究结果,发现果树液流信号、茎杆直径变化和冠层温度变异在果树需水信号检测中最具有应用前景,并对它们的研究现状进行了评述。基于果树精量灌溉控制理论和技术产品的发展历程和问题,提出了果树精量控制灌溉技术未来研究内容和方向。最后指出果树精量控制灌溉技术未来需要解决的关键问题是降低技术成本和实现智能化。
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| 关 键 词： | 液流通量 茎杆直径变差 冠-气温差 精量灌溉 尺度连接 |
Theory and Technology of Plant-Based Precision Irrigation in Orchard |
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| GONG Dao-zhi,LEI Zhi-dong,HAO Wei-ping.Theory and Technology of Plant-Based Precision Irrigation in Orchard[J].Journal of Irrigation and Drainage,2009(4). |
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| Authors: | GONG Dao-zhi LEI Zhi-dong HAO Wei-ping |
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| Institution: | 1.School of Civil Engineering;Tsinghua University;Beijing 100083;China;2.Institute of Environment and Sustainable Development in Agriculture;CAAS;Key Laboratory of Water-saving Agriculture in Dryland;MOA;Beijing 100081;China |
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| Abstract: | After analyzing science and application value of precision irrigation in orchard,the results in this filed were summed up.It was found that in the future,sap flux,stem diameter variation,and canopy-air temperature difference of fruit trees are most useful among all of water status diagnose methods.Based on evolution of theory and products in precision irrigation of orchard,research contents and direction in the future were generated.Last,it was put forward that the key points to be solved in the future are ... |
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| Keywords: | sap flux stem diameter variation canopy-air temperature difference precision irrigation scale connection |
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