拉萨市青稞田草害及综合防控技术

Weeds and Comprehensive Control Measures of Highland Barley Field in Lhasa City

农田杂草是一类具有持续性危害特点的农业有害生物,已成为影响拉萨市青稞生产的一大因素。杂草生长期与青稞生育期相似,导致青稞田杂草数量大、防控难度高,杂草与青稞争水、争肥,严重影响了青稞的生长。通过科学分析与总结,根据青稞田草害发生的种类和特点,采取农业防治和化学防治相结合的综合防控技术,科学合理地进行青稞田草害防控,将有效控制田间杂草,促进作物生长,提高粮食产量和效益。

Weed in farmland is a kind of agricultural pest with persistent hazards,which has become a major factor to affect the production of highland barley in Lhasa Ctiy.The growth period of weeds is similar to highland barley,resulting a large number of weeds in highland barley field,and also difficulty in control and prevention.Weeds compete with highland barley for water and fertilizer,which seriously affects the growth of highland barley.Through scientific analysis and summary,according to the types and characteristics of the weeds in highland barley fields,comprehensive prevention and control measures of agricultural agronomy and chemical combination are adopted.Scientific and rational prevention and control measures will effectively control weeds in the field,promote crop growth,increase grain yield and benefit.