（来源：新华日报） □ 本报记者 赵芳 通讯员 司伟 柏凯楠 2月27日清晨，连云港市赣榆区塔山镇的麦田里氤氲着雨后的湿润气息，种粮大户林杰踩着田埂快步穿 梭，望着吸足雨水、舒展叶片的麦苗，紧锁多日的眉头彻底舒展："这场雨下得太及时了，土墒正好， 这拔节肥可不能耽误！"随后，他抬手一挥，三台植保无人机应声腾空，沿着预设航线在麦田上空匀速 巡航，细密的肥料颗粒如雨雾般均匀洒落，在晨光中划出一道道银亮的弧线。 田埂另一侧的桑行村麦田里，赣榆区农业技术推广中心技术员蹲在田边，指尖捏起一把湿润泥土轻轻揉 搓，又拨开麦苗根部仔细察看根系长势，向围拢的农户讲解："苗弱的要适当增加尿素，苗壮的就要控 一控，分类施策才能让弱苗转壮、壮苗稳长。"农户们听得认真并不时记录，携带的自走式喷杆喷雾机 早已加满配好的肥料，随时准备下地作业。 机手操控遥控器，屏幕上实时显示作业轨迹，"这'铁疙瘩'可比人工利索多了，它有循环巡航和自动避 障功能，药液不沉淀、喷洒无死角，一天能管400亩地。昨天雨一停，我就联系农技部门今天一早带着 设备来抢工，这农时可耽误不得。"林杰说话间，无人机完成一片地块的作业，稳稳降落，另一台随即 升空补位，田间呈现 ...

Core Viewpoint - The company is addressing the challenges posed by persistent rainy weather on rice cultivation by implementing a multi-faceted approach to weed control, focusing on timely interventions and effective resource management [1][2]. Group 1: Technical Training and Monitoring - The company has initiated differentiated technical training for major rice growers, emphasizing the identification of resistant weeds and optimal timing for pesticide application [1]. - A three-tiered weed monitoring system has been established, involving the company, distribution points, and farmers, to track weed density and resistance, ensuring precise adaptation of weed control measures [1]. Group 2: Herbicide Management - The company has developed a weed control strategy prioritizing soil closure and supplementary foliar treatments to reduce weed germination rates [2]. - Over 20 tons of effective and low-toxicity herbicides have been procured, meeting over 80% of the weed control needs for rice fields in the region [2]. - Strict guidelines have been set to prohibit the promotion of certain herbicides that could harm subsequent crops due to residue [2]. Group 3: Mechanization Support - The company has coordinated with local agricultural machinery cooperatives to deploy over 30 specialized weeding machines, including self-propelled sprayers and drones, to enhance weeding efficiency [2]. - A rapid response mechanism has been established, allowing farmers to request machinery support, ensuring timely and effective weed management [2].