分根区交替灌溉对土壤水分养分条件及作物生长的影响  

Effects of alternate partial root-zone irrigation on soil moisture and nutrient conditions and crop growth

作　　者：蒲敬轩 樊雅琼 冯许钰 刘宇航 乔树亭 刘荣豪 PU Jing-xuan;FAN Ya-qiong;FENG Xu-yu;LIU Yu-hang;QIAO Shu-ting;LIU Rong-hao(College of Water Conservancy and Engineering,Taiyuan University of Technology,Taiyuan Shanxi 030024;Shanxi Province Key Laboratory of Soil Environment and Nutrient Resources,Taiyuan Shanxi 030031)

机构地区：[1]太原理工大学水利科学与工程学院,山西太原030024 [2]土壤环境与养分资源山西省重点实验室,山西太原030031

出　　处：《中国土壤与肥料》2022年第9期209-215,共7页Soil and Fertilizer Sciences in China

基　　金：国家自然科学基金(51809189);土壤环境与养分资源山西省重点实验室开放基金(2019002)。

摘　　要：分根区交替灌溉技术可充分利用生物学特性,调节作物自身生理活动,降低作物耗水量,达到节约灌水量和提高水分利用效率的目的。综合国内外研究成果,从土壤水分、土壤养分(氮素)、作物生长、产量、品质等方面,论述了分根区交替灌溉提高农田水肥利用效率的机理及其对作物生长的影响,并对将来需要重点研究的方向作了展望,以期为进一步发展和丰富分根区交替灌溉理论和技术提供科学支撑。The alternate partial root-zone irrigation technology can make full use of biological characteristics,regulate the physiological activities of crops,reduce crop water consumption,and achieve purposes of saving irrigation water and improving water use efficiency.Based on the relevant research at home and abroad,this article discussed the mechanism of alternate partial root-zone irrigation in improving the use efficiency of farmland water and fertilizer use and its impact on crop growth in terms of soil moisture,soil nutrient(nitrogen),crop growth,yield quality,etc.,and made prospects on key researches in the future.It is expected to provide theoretical support for the further development and enrichment of the theory and technology of alternate partial root-zone irrigation.

关 键 词：分根区交替灌溉技术 土壤水分 土壤养分(氮素) 作物生长 技术展望 

分 类 号：S158.3[农业科学—土壤学]