摘要
通过田间试验，研究了不同灌水方式（传统平作畦灌和宽垄沟灌）和水分处理对冬小麦生长特性的影响。结果表明：相较畦灌，宽垄沟灌种植的冬小麦基本苗数及无效分蘖数均大幅减少，叶面积指数平均增幅9．12％，株高显著降低，地上干物质抽穗期以前低于畦灌，抽穗以后赶上并超过畦灌，穗粒数和千粒重分别增加6．09％和3．79％，增产150．57-237．63 kg／hm2，水分利用效率提高9．43％-10．39％；2种灌溉方式的耗水量和产量与水分处理呈正相关，但随着水分控制下限的提高，水分利用效率则先增大后减小；确定宽垄沟灌为冬小麦适宜种植方式，并在L-70水分处理获得了最优的水分利用效率，达到1．91 kg／m3，能够获得较好的节水增产效果。
The field experiments are carried out to study influences of different water treatments on the growth characteristics of win‐ter wheat in two different planting patterns（conventional flat planting and ridge tillage furrow irrigation planting） .The results show that compared with conventional flat planting ,ridge tillage furrow irrigation planting seedlings and invalid tiller number are greatly reduced ,the leaf area index ,the average growth of 9 .12% ,plant salience is reduced ,the ground before the heading stage is lower than the culture of dry matter ,after heading to catch up and higher than that of traditional culture ,spike grain number per spike and increases by 6 .09% and 3 .79% ,the production increases by 150 .57 -237 .63 kg/hm2 ,the efficiency of water use increases by 9 .43% -0 .39% ;The water consumption and yields of two planting pattern and water treatment are positively correlated ,but with the increase in moisture content control limit ,water use efficiency increases first and then reduces .We determine the suitable plant‐ing for winter wheat ,and have obtained the optimal water use efficiency in the L-70 water .We can obtain a better water-saving and yield increasing effect .
出处
《中国农村水利水电》
北大核心
2015年第9期115-118,共4页
China Rural Water and Hydropower
基金
河南省教育厅科学技术研究重点项目(12A210018)
河南省高等学校青年骨干教师资助计划项目
华北水利水电大学高层次人才科研启动项目
关键词
灌溉方式
冬小麦
宽垄沟灌
生长特性
水分利用效率
irrigation modes
winter wheat
furrow irrigation
growth characteristics
water use efficiency
