摘要
为了探讨半干旱区玉米增产水分高效的最佳补水灌溉制度,在半干旱区洮南市进行补水灌溉试验,试验设4个量级灌水定额(10、20、30、40 mm),灌水方式为膜下滴灌,以当地常规无膜沟灌50 mm为对照。结果表明,与沟灌50 mm相比,玉米产量和水分利用效率膜下滴灌40 mm显著提高,而膜下滴灌30 mm水分利用效率显著提高,产量却无显著差异。所以,吉林省西部半干旱区生育期间补水灌溉40 mm×3次效果最佳。
In order to investigate the optimal irrigation system for maize to increase yield and water content, four levels of irrigation quota(10, 20, 30, 40 mm) were investigated in Taonan City, a semi-arid area. The irrigation method was film drip irrigation, but 50 mm groove irrigation was taken as control. The irrigation mode was drip irrigation under the film, and the local conventional furrow irrigation without film was used as the control. The results showed that compared with furrow irrigation of 50 mm, the yield and WUE of corn under drip irrigation under film of 40 mm were significantly increased, while the WUE of 30 mm under drip irrigation under film was significantly increased without significant difference in yield. Therefore, the best effect is to irrigate 40 mm×3 times during the growth period in the semi-arid area of western Jilin Province.
作者
冯艳春
黄日
李雪花
张丽华
郑金玉
FENG Yanchun;HUANG Ri;LI Xuehua;ZHANG Lihua;ZHENG Jinyu(Jilin Academy of Agricultural Sciences,Changchun 130033;Agricultural Technology Promotion Station of Mingyue Town,Antu 133600;Agricultural technology promotion Station ofYueqing Town,Tumen 133102,China)
出处
《东北农业科学》
北大核心
2020年第6期5-7,共3页
Journal of Northeast Agricultural Sciences
基金
国家重点研发计划(2017YFD0300605)
国家玉米产业体系项目(Cars-02-42)
公益性行业(农业)科研专项(201503116-05)。
