干旱地区农业研究Issue(6)：8-13,6.DOI:10.7606/j.issn.1000-7601.2015.06.02
不同灌水量对膜下滴灌冬马铃薯生长及水分利用效率的影响
Effects of different irrigation amount on winter potato growth and water use efficiency by drip irrigation under film
摘要
Abstract
Through the field test,set up four irrigation treatments as 1350 m3·hm -2,1650 m3·hm -2,1950 m3· hm -2,2250 m3·hm -2 and one control group as common furrow irrigation,have researched the effects on growth,yield and water use efficiency of potato by drip irrigation under film.The results showed that:Compared the drip irrigation un-der film with the conventional furrow irrigation,the potato growth was fast,the plant height,fresh weight per plant,the tuber numbers and fresh tuber weight per plant were total higher than the furrow irrigation,also the added yield was 6416.08 kg·hm -2,increasing yield rate was 21 .29%,the water use efficiency was higher than 79.5 (kg·hm -2· mm -1 ).The water use efficiency of potato by drip irrigation under film has shown a decrease trend with increasing irriga-tion quantity,but the yield and water consumption were added with the increasing irrigation amount.The yield was the maximum as 39 732.0 kg·hm -2 when the drip irrigation amount was 1950 m3·hm -2 .When the irrigation amount in-creased to 2250 m3·hm -2,the yield was decreased 6 624.5 kg·hm -2,the decrease rate was 16.67%,compared with the irrigation treatment of 1950 m3·hm -2 .So considering the aspects of increasing yield and saving water,the suitable irrigation amount was 1650 ~1950 m3·hm -2 m3,when the effective rainfall was 70 mm more or less in growing period.关键词
马铃薯/膜下滴灌/灌水量/水分利用率/产量Key words
potato/drip irrigation under film/irrigation amount/water use efficiency/yield分类
农业科技引用本文复制引用
李燕山,白建明,许世坤,普红梅,王云华,季寿堂,谢富生,隋启君..不同灌水量对膜下滴灌冬马铃薯生长及水分利用效率的影响[J].干旱地区农业研究,2015,(6):8-13,6.基金项目
公益性行业（农业）科研专项“西南水旱轮作区规模化周年高效生产技术研究与示范”子专题（201303129）；公益性行业（农业）科研专项“西南地区季节性干旱主要农作物节水抗旱综合技术研究与示范”子专题（201303127）；“十二五”农村领域国家科技计划课题 （）
