ICS 67.020 CCS B 30 湖 43 南 省 地 方 标 准 DB43/T 2323—2022 荷花虾综合种养技术规程 Technical regulations for integrated cultivation of lotus and crayfish 2022 - 05 - 06 发布 2022 - 08 - 06 实施 湖南省市场监督管理局 发 布 DB43/T 2323—2022 目 次 前言························································································································ Ⅲ 1 范围 ····················································································································· 1 2 规范性引用文件 ······································································································ 1 3 术语与定义 ············································································································ 1 4 产地环境 ··············································································································· 1 4.1 环境 ··············································································································· 1 4.2 水源水质 ········································································································· 1 4.3 土壤 ··············································································································· 1 5 田间工程 ··············································································································· 2 5.1 开沟 ··············································································································· 2 5.2 田埂 ··············································································································· 2 5.3 进排水 ············································································································ 2 5.4 防逃设施 ········································································································· 3 6 种养前准备 ············································································································ 3 6.1 消毒 ··············································································································· 3 6.2 种草 ··············································································································· 3 7 荷花虾生产 ············································································································ 3 7.1 湘莲种植 ········································································································· 3 7.2 虾养殖 ············································································································ 3 7.3 收获 ··············································································································· 3 8 生产记录 ··············································································································· 3 I DB43/T 2323—2022 II DB43/T 2323—2022 前 言 本文件按照 GB/T 1.1—2020《标准化工作导则 第 1 部分：标准化文件的结构和起草规则》的规 定起草。 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：湖南省水产科学研究所、湖南师范大学、湖南望联农业科技发展有限公司、湖南 积善之家生态农业科技有限公司。 本文件主要起草人：何志刚、李金龙、王冬武、谢仲桂、邓时铭、田兴、刘文彬、吴昌、王余德、 何咏、刘丽、任维、文滟、吴启藩、刘训华。 III DB43/T 2323—2022 IV DB43/T 2323—2022 荷花虾综合种养技术规程 1 范围 本文件规定了荷花（湘莲）虾（克氏原螯虾）综合种养的产地环境、田间工程、种养前准备、荷花 虾生产和生产记录的要求。 本文件适用于荷花虾的综合种养。 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 3838 地表水环境质量标准 GB 11607 渔业水质标准 GB 15618 土壤环境质量农用地土壤污染风险管控标准（试行） GB/T 22213 水产养殖术语 NY/T 391 绿色食品 产地环境质量 NY/T 837 莲藕栽培技术规程 SC/T 1135.1 稻渔综合种养技术规范 第 1 部分：通则 SC/T 1135.4 稻渔综合种养技术规范 第 4 部分：稻虾（克氏原螯虾） SC/T 1144 克氏原螯虾 DB43/T 439 地理标志产品 湘莲 DB43/T 634 畜禽水产养殖档案记录规范 3 术语与定义 GB/T 22213 和 SC/T 1135.1 界定的术语和定义适用于本文件。 4 产地环境 4.1 环境 应符合 NY/T 391 和 GB 15618 的规定。 4.2 水源水质 水源充足，排灌方便。水质应符合 GB 3838 三级地表水和 GB 11607 的规定。 4.3 土壤 土壤有机质含量≥2％，pH 5.6～7.5，含盐量 0.2％以下为宜。土壤质量应符合 NY/T 391 的规定。 1 DB43/T 2323—2022 5 田间工程 5.1 开沟 距离田埂内侧 1 m～2 m 处开挖 L 形边沟，沟深 0.8 m～1.0 m，宽 2 m～4 m，坡比 1：1（见图 1）， 边沟面积应符合 SC/T 1135.1 的规定。根据田块形状和大小，开挖“井”“田”字形田间沟（见图 2）， 沟宽 1.5 m，深 0.5 m。 图 1 生产单元剖面图 图 2 田间沟开挖平面示意图 5.2 田埂 利用开挖沟坑的泥土加高加固外田埂，高出莲田平面 40 cm～60 cm，顶部宽不少于 40 cm。在靠近 边沟的田面再筑高 20 cm、宽 30 cm 的内田埂。 5.3 进排水 进、排水口对角线设置，进排水口过滤宜用 20 目～40 目的双层筛绢网。 2 DB43/T 2323—2022 5.4 防逃设施 应符合 SC/T 1135.4 的规定。 6 种养前准备 6.1 消毒 种草前 10 d～15 d，每亩用生石灰 100 kg～150 kg 带水消毒。 6.2 种草 11 月至翌年 2 月，边沟内选种伊乐藻草团，株距 4 m～5 m，伊乐藻草团直径 30 cm 左右。3 月种 植轮叶黑藻、苦草等水草。水草种植总面积占边沟面积的 30％～40％。 7 荷花虾生产 7.1 湘莲种植 应符合 DB43/T 439 的规定。 7.2 虾养殖 7.2.1 虾苗 湘莲定植 20 d 后，每亩投放 8 g～10 g/尾规格的虾苗 4000 尾～5000 尾；虾苗质量应符合 SC/T 1144 的规定。放养前用浓度 3％～5％的食盐水浸泡 3 min～5 min，消毒后投放至边