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1 选择适宜田块选择水源充足、排灌方便、田面平整、耕层深厚、土壤松软、保水保肥能力好的双季晚稻田块。易旱田和浅、瘦、漏的沙质田不宜选用。2 规范操作早稻收割前留浅水层保持土壤松软,减少脚泥粘附到稻桩及割口上,收割时留桩5~10cm,割后当天在近傍晚施药(以免割后立即施药因割口吐水降低药剂浓度),施药浓度为每15kg水配20%“克无踪”75ml或每15kg水配20%“克无踪”50ml+0.5kg碳铵。选用配有“烟斗型”喷头喷雾器(形成向下药液扇区)喷湿每一稻桩和杂草,24小时后灌水5~10cm(视稻桩高
1 Select the appropriate choice of plots Adequate water, irrigation and drainage convenience, field surface formation, deep plow, soft soil, water and fertilizer to maintain good double season late rice plots. Easy to dry fields and shallow, thin, leaking sand quality should not be used. 2 regulate the operation of early rice harvesting shallow water layer to keep the soil soft to reduce the adhesion of foot mud to the rice pile and cut mouth, leaving the pile at harvest 5 ~ 10cm, mowed in the evening after the day of spraying (to avoid immediate application after cutting due to cutting Spit water to reduce the concentration of drug), the application concentration of 20% per 15kg of water with “no trace of” 75ml or 15% water with 20% “no trace of ” 50ml +0.5 kg ammonium bicarbonate. Use with a “pipe type” nozzle sprayer (forming a downward liquid sector) spray each paddy and weeds, irrigation after 24 hours 5 ~ 10cm (as the rice pile height