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辽宁省DB21/T 3525-2021《植保无人机投放赤眼蜂防治玉米螟技术规程》解读

2023-09-13 13:40:49 来源：农机网整理发布 阅读量：31088 评论

导读：规定了植保无人机投放赤眼蜂防治玉米螟技术的前期准备、作业条件、投放作业、防效检查等内容，适用于利用植保无人机投放赤眼蜂防治玉米螟作业。

　　【农机网 政策与标准】2021年12月30日，辽宁省市场监督管理局批准发布DB21/T 3525-2021《植保无人机投放赤眼蜂防治玉米螟技术规程》，该地方标准自2022年1月30日开始实施。
 
　　该标准由辽宁省农业农村厅提出并归口，由辽宁省农业发展服务中心，沈阳金丰春航空科技有限公司起草，规定了植保无人机投放赤眼蜂防治玉米螟技术的前期准备、作业条件、投放作业、防效检查等内容，适用于利用植保无人机投放赤眼蜂防治玉米螟作业。
 
　　【准备】
 
　　作业条件——
 
　　天气条件：选择晴朗无风或微风天气飞行。飞行作业时，平均风速应低于3级，即风速≤5.4 m/s；雷雨天禁止飞行作业；能见度低于200m的天气情况禁止飞行作业；作业时避开中午日光曝晒时间段。
 
　　地块要求：选择地势开阔，面积已知的地块，地块内及四周无高大物体妨碍飞机作业，无塔台、电线杆、电线等物体；地块内农作物长势整齐，分布均匀。
 
　　赤眼蜂选择：宜选择松毛虫赤眼蜂或玉米螟赤眼蜂，质量应符合DB21/T 2113的要求。
 
　　放蜂器选择：宜选择球形或其他适宜无人机投放的放蜂器作为赤眼蜂投放载体，投放到田间后，赤眼蜂存活率和出蜂率达90%以上。
 
　　植保无人机准备：植保无人机质量应符合NY/T 3213-2018要求。在作业前对植保无人机进行细致检测，确保电池组充足，随时更换，电池充电系统保证及时充电；整机螺丝紧扣；电机运转正常；起落架和支撑杆不松动； 赤眼蜂放蜂器投放系统作业正常。
 
　　作业人员要求：作业人员应进行相应培训，并取得相关资质。
 
　　作业——
 
　　操控小组就位：主控飞手调整飞机控制器，使其与飞机链接正常；旗手、副手到指定位置待命。
 
　　现场勘查：操控小组对作业地块进行现场勘查，确定该地块是否适合进行飞防作业；确定飞机起降场地点，进行拉距测试检查，确保飞机作业时不受障碍物及信号磁场干扰。
 
　　拉距测试：植保无人机作业前，在作业地块内进行试飞，确定最适飞行线路和飞行距离，排除环境因素对飞行作业的影响。
 
　　放蜂器装配：根据单次作业面积，向装配装置装载专用放蜂器，确保能够完成单次作业任务。
 
　　投放作业——
 
　　飞行高：根据作业地块地势、玉米长势和高度，无人机的飞行高度保持在距农作物上方 10m～20m范围内。
 
　　飞行速度：风速 ≤ 5.4 m/s 的条件下，无人机的对地飞行速度保持9m/s～10m/s 的飞行速度。
 
　　赤眼蜂投放量：赤眼蜂亩投放量为2万头，按照两点投放，每次投放1万头。按照每667m2投放赤眼蜂蜂量计算，防治一个代次玉米螟需要投放两次共4个放蜂器，一、二代联防时共投放8个放蜂器，隔7天进行第二次投放。
 
　　投放：调整无人机运行状态参数，按照作业设计要求投放赤眼蜂放蜂器。作业期间应实现放蜂器投放点经纬度规划、投放状态即时回传、原点自动续投、投放点存储可回溯。
 
　　点击下方下载完整标准文本。
 
　　注：本文由农机网(www.nongjx.com)整理发布，资料来源：地方标准信息公共服务平台。
 
相关资料下载：

3525-植保无人机投放赤眼蜂防治玉米螟技术规程.pdf

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