一、抓好保留关。秧田有稻蓟马、稻虱、叶蝉、螟虫和各种病害潜育,也是以稗草为主的杂草集生地。防治上述害虫可用25%杀虫双水剂200克,加水40公斤于拔秧前3～5天喷施。防治稻纵卷叶螟、稻蓟马、稻虱、螟虫等,每亩可用3%呋喃丹颗粒剂2公斤,拌20公斤细土撒施秧田。对白叶枯病常发区和重发区每亩用20%叶青双粉剂100～150克,在拔秧前喷雾后带药下田。稻田化学除草可选用:①50%杀草丹,每亩200毫升加水35公斤,在秧苗2叶期喷雾。②96%禾大壮乳剂每亩100毫升加水35公斤,在2叶1心期喷雾,或拌细土10公斤撒施。上述两个方 First, do a good job to keep off. Seedling with thrips, rice louse, leafhopper, stem borer and a variety of disease potential, but also to barnyard grass weed habitat. Control of the pests available 25% insecticide Shuangshui 200 grams, add water 40 kilograms before 3 to 5 days before spraying rice spray. Prevention and control of rice leaf roller, rice thrips, rice louse, stem borer, etc. available 3% carbofuran granules per kilogram 2 kg, mixed with 20 kg fine soil sprinkling seedling. White leaf blight in the area of ​​frequent recurrence and re-issued with 20% leaf green double powder 100 to 150 grams, sprayed in the field after removing rice seedlings. Paddy field chemical weeding optional: ① 50% herbicide Dan, 200 milliliters per acre 35 kilograms of water, spray 2 leaves in the seedling. ② 96% Wo big strong emulsion 100 ml per mu plus 35 kg of water, 2 leaves 1 heart period spray, or mixed with fine soil 10 kg spreading. The above two parties