江西农业学报2025，Vol.37Issue(3)：15-23,9.DOI:10.19386/j.cnki.jxnyxb.2025.03.003
洱海流域干湿交替灌溉对水稻生长及产质量的影响
Effect of Alternate Wetting and Drying Irrigation on Rice Growth,Yield and Quality in Erhai Lake Basin
摘要
Abstract
Yungeng 37 was used as the research object,and four irrigation modes,namely conventional irrigation(CI),mild alternate wetting and drying(AWD),severe drying-wetting alternation I(WSD-Ⅰ),and severe drying-wetting alternationⅡ(WSD-Ⅱ)were set up to analyze the effects of different irrigation modes on the growth,yield and quality of rice.The results showed that compared with CI,AWD increased grain yield by 6.9%,whereas WSD-Ⅰand WSD-Ⅱreduced yields by 1.0%and 4.0%,respectively.AWD decreased amylose content by 0.25 percentage points,while WSD-I and WSD-Ⅱelevated it by 0.60 percentage points.AWD,WSD-Ⅰand WSD-Ⅱ significantly reduced cadmium(Cd)content in grains by 2.70%,5.41%and 5.41%,respectively,and enhanced calcium(Ca),selenium(Se),and potassium(K)content.Soil temperature under AWD/WSD modes increased by 1～2℃compared to CI,and root surface area,volume under AWD,WSD-Ⅰ and WSD-Ⅱ treatments were significantly increased.Nitrogen balance index,chlorophyll content and anthocyanin index under AWD were higher than those under CI.Additionally,total dry matter weight under CI was 18.03%lower than that under AWD.In conclusion,alternate wetting and drying irrigation mode can effectively promote rice growth,and increase yield and quality of rice in Erhai Lake Basin.关键词
水稻/干湿交替/洱海流域/生长性状/产量/品质Key words
Rice/Dry and wet alternate/Erhai Lake Basin/Growth traits/Yield/Quality分类
农业工程引用本文复制引用
涂国青,赵正雄,吴加香,张一晨,徐玖亮..洱海流域干湿交替灌溉对水稻生长及产质量的影响[J].江西农业学报,2025,37(3):15-23,9.基金项目
云南现代农业绿色关键技术创新与平台建设(202102AE090053). （202102AE090053）
