传统的非充分灌溉理论主要基于水分生产函数考虑产量损失最小或总产量及效益最佳,较少考虑水分-品质响应关系及其对节水效益的影响。针对此问题,本文归纳了节水调质高效灌溉的生理学、生物学和工程学基础,探讨了水分-品质响应关系的研究进展与存在的问题。在此基础上,针对特色经济作物构建了基于水分-品质响应关系的节水调质高效灌溉理论,提出了节水调质高效灌溉的实施思路,阐述了节水调质高效灌溉需要解决的几个重要科学问题。以期能为充分挖掘作物生理节水潜力,大幅度提高作物水分利用效率和实现节水、丰产、优质、高效的综合目标提供理论支撑。
The traditional insufficient irrigation theory is based on less yield reduction or more gross yield and benefit by utilizing the water production function.In this paper,an integrated theory of efficient water-saving irrigation for improving quality of economic crops based on response of water and fruit quality was established.Physiological and biological mechanism for response of water and fruit quality was analyzed.The recent status of response of water and fruit quality was summarized.The way for implementing the efficient water-saving irrigation for improving quality was discussed,and some important scientific topics which should be studied were also suggested.