"每年立夏到小满、寒露到霜降的夜晚，人人打着手电筒在田间捕捞禾虫，比白天还热闹。"他描绘着盛景，肥美的禾虫会浮游至咸淡水交汇口，只需在 田四周架网，禾虫便会随潮退入网中。一个潮期能捞数百斤，收入上万元，一年仅卖禾虫就有三四万元进账，远超海红米的产值。 禾虫形似多足蚯蚓，体色褐中透红，虫体丰腴，富含蛋白质与维生素B，味道鲜美。在广东等需求旺盛地区，每公斤售价三四百元。"不过，禾虫的人 工繁殖至今是难题。"陆武清说，曾有多个水产研究团队在此试验多年，均未有突破。 如今，屯南村形成了一种默契：土地交由合作社耕作，禾虫归农户，稻谷归合作社。村委会副主任钟财家坦言，海红稻亩产仅100—150公斤，基本无利 可图。"但稻种能卖到40元/公斤，我们坚持种植，主要是为了留种，不能让这一古老品种消失。" 收割新品海红香稻。陆敏 摄 你见过在海水中摇曳生长的稻禾吗？潮来，它们缓缓挺直腰杆；潮去，它们又俯身低垂。这便是平陆运河入海口咸淡水交汇的滩涂区域，农人种植的海 红稻，当地人又称其为"赤禾"。它无需施肥喷药，潮涨潮落间，海水便能为其驱虫除害，完成天然的生态农事。 早在460多年前的明嘉靖《钦州志》中，就有"赤禾""潮禾"的记载 ...

Group 1: Harvest Progress and Techniques - In Anhui, the autumn grain harvest is underway, with a focus on improving quality and efficiency, and over 40% of the harvest has been completed [1] - In Fujian's Ningde City, the rice harvest is nearing completion with an average yield of approximately 490 kg per mu, meeting expectations [2][4] - In Heilongjiang's Tongjiang City, both corn and rice are being harvested, with simultaneous autumn tillage to prepare for next year's planting [5][7] Group 2: Agricultural Innovations and Practices - Anhui is promoting high-yield, disease-resistant rice varieties and implementing order-based planting to ensure farmers' income [1] - Ningde is advancing full-chain mechanization in agriculture, including automated planting and harvesting technologies, enhancing overall efficiency [2][4] - The introduction of a "rice + potato" rotation model in Ningde aims to improve land utilization and increase farmer income [4] Group 3: Local Agricultural Management - In Anhui, the total area for autumn grain planting is 64.6962 million mu, with 11.628 million mu of early rice already harvested [1] - Tongjiang's local government is coordinating agricultural machinery to expedite the harvest and tillage process, ensuring a solid foundation for spring planting [7]