控制性作物根系分区供水的节水机理及研究进展

Water-Saving Mechanism and Research advances in the Control Root-Splited Alternative lrrigation

摘要: 介绍了一种既能满足作物水分需求,又能控制蒸腾的农田节水调控新思路──控制性分根交替灌溉,阐明了其含义及节水机理,概述了相关的部分根系干燥技术研究的历史动态,总结了控制性分根交替灌水技术近几年来的主要研究成果,分析了该技术在实施过程中可能存在的一些问题,提出了该项技术的应用前景及需要进一步研究的几个问题.

Abstract: In the paper,the new water-saving irrigation method which was named the control root-splited alternative irrigation is introduced.Its conception and saving-water mechanism is discussed.Its research history and status at home and abroad are summarized.The problem existed in application of the method to the field and its developing direction is presented.