40 %禾农乐WP一次性防除直播稻田杂草 ,用量 2 5 0 g/6 6 7m2 ,在稻苗 2～ 3叶期 ,灌水 2～3cm ,拌肥撒施 ,保水 7～ 10d。经早稻、连作晚稻、单季稻直播田除草试验结果 ,对杂草的总体防效达 95 %左右 ;大田示范应用也取得理想的效果 ,一次用药能控制全季草害。该药剂对水稻安全 ,使用方便 ,省工省力 ,其药效比其它同类产品高 ,是目前比较理想的直播田除草剂。 40% Woong Lok WP one-time control of weeds in direct-seeded rice paddy, the amount of 250 g / 6 6 7m2, 2 to 3 leaf stage rice seedlings, irrigation 2 ~ 3cm, mixed fertilizer, water 7 ~ 10d. The results of weeding experiments of early rice, continuous cropping late rice and single cropping rice showed that the overall control effect on weeds was about 95%. Field demonstration and application also achieved the desired results. Single treatment could control the whole season grass damage. The medicament is safe and easy to use for rice, saves labor and labor, and has higher efficacy than other similar products and is an ideal direct-field herbicide.