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基于控制灌溉理论的水稻优化灌溉制度研究

Optimized rice irrigation schedule based on controlling irrigation theory

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【作者】 刘广明杨劲松姜艳张秀勇

【Author】 Liu Guangming1, Yang Jinsong 1※, Jiang Yan2, Zhang Xiuyong3(1.Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;2.Jiangsu Tianhuadapeng Accountant Co. Ltd., Nanjing 210024, China;3.Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China)

【机构】 中国科学院南京土壤研究所江苏天华大彭会计师事务有限责任公司河海大学岩土工程研究所 南京210008南京210008210024南京210098

【摘要】 结合田间试验研究成果及Jensen模型,建立了基于水稻控制灌溉理论的宁夏引黄灌区轻度盐碱地水稻优化灌溉制度。水稻全生育期灌溉水量为600mm,灌水15次,主要分布在返青期、拔节孕穗期和抽穗开花期。该优化灌溉制度较常规漫灌节水69.2%。该灌溉制度的建立,对于提高宁夏引黄灌区水稻节水灌溉技术具有重要的实践参考价值。

【Abstract】 According to field scale experiment and Jenson model, different rice irrigation schedules were studied to obtain the optimum with the goal of the highest yield, as well as ideal water use efficiency. The schedule that accords with controlling irrigation theory was selected. Under this optimized irrigation schedule, total irrigation water of average-rainfall year was 600 mm, irrigating 15 times during all the stages of rice life, such as returning green, elongating to booting, and heading time stage. The optimized rice irrigation schedule saved 69.2 percent of irrigation water compared with flood irrigation schedule. The relative field scale experiments demonstrate that this irrigation schedule adapts to be used in light saline-alkali soils of Ningxia Yellow River irrigation areas, which showed that the schedule would play an important role in water-saving rice irrigation and utilization of fresh water of these areas.

【基金】 国家自然科学基金项目(40371058);水利部“948”项目(CT200418)
  • 【文献出处】 农业工程学报 ,Transactions of The Chinese Society of Agricultural Engineering , 编辑部邮箱 ,2005年05期
  • 【分类号】S511
  • 【被引频次】62
  • 【下载频次】895
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