Two-sealing and one-killing weeding method for dry direct seeding rice field

The invention belongs to the technical field of agricultural planting, and relates to a two-sealing and one-killing weeding method for a dry direct seeding rice field. The weeding method comprises thefollowing steps: 1, primary sealing: after sowing and before emergence of seedlings, carrying out sealing treatment by adopting a primary sealing agent; 2, secondary killing: after 2.0 leaf period ofrice, carrying out stem and leaf contact killing treatment on weeds in the field by adopting a secondary supplementary killing medicament; and 3, re-sealing: after 3-5 days of stem and leaf contact killing treatment, re-sealing the rice field with a re-sealing agent. According to the weeding method, a two-sealing and one-killing weeding mode is adopted, so that weeds growing in the dry direct seeding rice field and the field are effectively removed, the removing effect is good, and the yield and quality of rice are guaranteed. 本发明属于农业种植技术领域，涉及一种旱直播稻田的二封一杀除草方法。该除草方法，包括1.一封：播种后出苗前，采用一次封闭药剂进行封闭处理；2.二杀：水稻2.0叶后，采用二次补杀药剂对田间