ICS 65.020 CCS B 16 湖 DB43 南 省 地 方 标 准 DB43/T 1 9 5 8—2020 湖南双季稻区水稻化肥农药减施增效 技术规程 Technical Regulations for Reduced Application of Chemical Fertilizers and Pesticides in Hunan Double-cropping Rice Region 2020-12-29发布 湖南省市场监督管理局 2021-03-29实施 发 布 DB43/T 1958—2020 目 次 前言························································································································ Ⅲ 1 范围 ····················································································································· 1 2 规范性引用文件 ······································································································ 1 3 品种选择与处理 ······································································································ 1 3.1 品种选择 ········································································································· 1 3.2 种子处理 ········································································································· 1 4 栽培管理 ··············································································································· 1 4.1 秧田管理 ········································································································· 1 4.2 大田管理 ········································································································· 2 5 施肥 ····················································································································· 2 5.1 施肥原则 ········································································································· 2 5.2 绿肥翻耕 ········································································································· 2 5.3 秸秆还田 ········································································································· 2 5.4 平衡施肥 ········································································································· 2 6 有害生物防控 ········································································································· 3 6.1 防治原则 ········································································································· 3 6.2 推行送嫁用药 ··································································································· 3 6.3 应用“三诱技术” ····························································································· 3 6.4 保护自然天敌 ··································································································· 3 6.5 合理使用农药 ··································································································· 3 7 档案管理 ··············································································································· 5 附录 A（规范性） 水稻主要病虫草害防控药剂推荐表 ························································ 6 附录 B（规范性） 水稻药肥双减增效技术模式农药化肥施用记录表 ······································ 7 I DB43/T 1958—2020 II DB43/T 1958—2020 前 言 本文件按照 GB/T 1.1—2020 给出的规则起草。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别这些专利的责任。 本文件由湖南省农业农村厅提出。 本文件由湖南省农业标准化技术委员会归口。 本文件起草单位：湖南省植物保护研究所、湖南省植保植检站、赫山区植保植检站、株洲市农业科 学研究所、双峰县植保植检站。 本文件主要起草人：张德咏、陈岳、刘勇、梁建文、张曦、吴龙云、李锴员、罗敏、谭新球、李成 刚、马明勇、马国兰。 III DB43/T 1958—2020 IV DB43/T 1958—2020 湖南双季稻区水稻化肥农药减施增效技术规程 1 范围 本文件规定了湖南双季水稻化肥农药减施增效技术在品种选择与种子处理、栽培管理、施肥、有害 生物控制上的要求。 本文件适用于湖南双季稻区水稻化肥农药减施增效生产。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件， 仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于本 文件。 GB/T 8321（所有部分） 农药合理使用准则 NY/T 1276—2007 农药安全使用规范 总则 GB 18877 有机-无机复混肥料 NY 481 有机-无机复混肥料 NY 525 有机肥料 NY 884 生物有机肥 HJ 555 化肥使用环境安全技术导则 3 品种选择与处理 3.1 品种选择 因地制宜选择高产、优质、多抗（耐）病品种。品种合理布局与轮换种植。播种前对种子进行精选 去杂、晾晒，选用健康无病种子育秧。 加强种子的调运检疫，避免疫区带病种子传入非疫区。 3.2 种子处理 播种前做好种子消毒处理，减少种子带菌，减少初次侵染源。晒种后选用 25％咪鲜胺乳油 2000-4000 倍液浸种消毒，全面杀灭恶苗病、稻瘟病等病原菌，降低大田发病率。早稻用“光合菌剂”或“芸苔素 内酯”拌种，促根壮苗，增强抗冻、抗旱、抗病虫能力，晚稻用 60％吡虫啉悬浮种衣剂拌种，有效控 制秧田期稻秆潜蝇、稻蓟马和稻飞虱的为害，预防南方水稻黑条矮缩病的发生。 4 栽培管理 4.1 秧田管理 1 DB43/T 1958—2020 选择病虫害发生轻或未发生的田块作为秧田，实施集中连片育秧。早稻采用薄膜盖秧育苗技术，防 止低温烂秧。 4.2 大田管理 4.2.1 大田准备 实行翻耕，平整地块，田块浸水，消灭虫蛹，打捞浪渣菌核，防除稻田周边杂草。 4.2.2 合理密植 4.2.2.1 直播田 2 直播田播种量常规稻为每 666.7 m 3-4 kg，杂交稻 2-2.5 kg。注意播种质量，确保全苗。播种出 苗后应及时疏密补空。 4.2.2.2 移栽田 2 2 早、晚稻种植密度常规稻一般为每 666.7 m 2 万穴，每穴 3-4 本，杂交稻为每 666.7 m 1.5-2 万 穴，每穴 1-2 本。提倡宽行窄株种植，移栽规格早、晚稻行距 25 cm，株距 13-17 cm。 4.2.3 灌溉 返青期保持浅水层，分蘖期湿润灌溉，苗数达到穗数的 80％-90％时开始露田和晒田，采取多次轻 晒，控制无效分蘖，促进根系生长和壮秆健株。穗分化后灌水并保持浅水层至抽穗扬花期。灌溉成熟期 间歇灌溉、干湿交替。收获前 7d 左右断水。 5 施肥 5.1 施肥原则 采用绿肥翻耕与有机肥替代为主的减肥措施，依据土壤肥力和早、晚稻品种及产量水平，合理控制 氮、磷、钾肥施用水平。 5.2 绿肥翻耕 早稻插秧前 15-20 d 对前茬作物（紫云英）翻耕，随即耙地碎土，使土、草