洪湖市水直播稻田杂草发生情况与防治技术探索

Study on the occurrence and prevention techniques of weeds in direct seeding rice field in Honghu city

调查了洪湖市水直播试验稻田的主要杂草种类及除草剂的防除效果,主要采用"一封、二杀(封)、三补"配套技术进行科学合理的化学除草,遵循"前封后控,封杀结合"的原则,对洪湖市直播稻田化学除草进行试验,科学合理地进行化学除草。通过制定科学的防除策略,安全、有效、经济地将杂草形成的危害降到最低限度,并取得了显著的灭草增产的效果。

The main weed species and the control effect of herbicide were investigated in the water direct seeding experiment paddy field in Honghu city. The chemical weeding of direct seeding rice fields in Honghu city had been tested by using the matching techniques of"one letter,two killing(sealing)and three supplements"to carry out scientific and reasonable chemical weeding,which following the principle of"pre-sealing and post-control,blocking and combining". And safely,effectively and economically reduced the harm that caused by the formation of weeds to a minimum through scientifically formulated prevention and control strategies,which had achieved a significant effect of weeding and increasing rice production.