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山东省农机技术推广站开展黄淮海地区夏玉米(大豆)播种质量监测测产活动

2023-10-21 11:00:20 来源:山东省农机技术推广站 阅读量:13565 评论

导读:为加快推进高性能播种机示范推广,山东省将机械化播种质量监测活动与本年度粮油绿色高质高效项目相结合,在5个县试验示范面积均超过1000亩。

  【农机网 地方农机】10月7至12日,为贯彻落实农业农村部《关于进一步做好机械化播种质量提升工作通知》要求和农业农村部机械化管理司《关于组织开展黄淮海地区夏玉米(大豆)机械化播种作业质量对比监测的函》(农机科〔2023〕50号)、山东省农业农村厅《关于开展夏玉米(大豆)机械化播种作业质量对比监测等工作的通知》文件精神,山东省农业机械技术推广站与山东理工大学组成专家技术指导组,联合有关市及所属县(市区)农机推广部门、新型农业经营主体,根据各地玉米成熟情况和作业条件,在商河、禹城、桓台、寒亭、汶上5个县(市区)进行夏玉米(大豆)机械化播种质量监测测产活动,获取玉米、大豆产量第一手数据,为推动粮油作物大面积单产提升和减损机收提供技术与装备支撑。
 
  为加快推进高性能播种机示范推广,我省将机械化播种质量监测活动与本年度粮油绿色高质高效项目相结合,在5个县试验示范面积均超过1000亩。本次测产活动对采用勺轮式、指夹式和气吸式播种机在(5±1)km/h、(7±1)km/h和(9±1)km/h作业速度下的对比试验玉米(大豆)种植地块(T1~T9)进行实收测产。玉米品种以登海系列为主,理论播量为4400~5000株/亩,大豆品种为齐黄34,理论播量12000株/亩。省农机技术推广站组织有关专家按照部农机化总站和我省高产田测产办法,对示范基地的对比试验田进行随机选点、现场采收、数亩株数、株粒数、脱粒、称重、水分测定等环节进行测产,详细记录高性能播种机和传统播种机在不同作业速度下产量数据,同时为种植大户全程提供技术指导。
 
  通过试验数据结果对比分析,整体来看,不同地区和不同作业速度的气吸式播种机和高性能指夹式播种机的出苗率、株距合格率以及苗高一致性、作业效率、实收产量等优于勺轮式和传统指夹式播种机。其中气吸式播种机作业效率和亩产量均高于勺轮式和指夹式,作业效率最高为30.8亩/h,比勺轮式、指夹式播种机分别高43.2%、32.8%;玉米产量为853.73kg,比勺轮式、指夹式播种机作业地块分别高7.74%、5.17%。
 
  试验证明,气吸式播种机作业地块的亩产量高于勺轮式和指夹式播种机,且产量稳定,勺轮式适合低速作业,指夹式适合中速作业,气吸式适合中高速作业。在玉米机械化生产上,建议加快推广气吸式和指夹式玉米播种机,进一步提高主要粮油作物机械化播种质量,促进单产量水平大面积提高。
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