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建湖关于小麦机收减损工作存在的情况和建议

2023-05-29 09:58:06 来源:江苏省盐城市建湖县农机推广站 阅读量:11731 评论

导读:江苏省盐城市建湖县临近夏粮收获之际,小麦机收减损工作出现一些问题,主要表现在:作业前机具准备工作不足。

  【农机网 地方农机】江苏省盐城市建湖县临近夏粮收获之际,小麦机收减损工作出现一些问题,主要表现在:作业前机具准备工作不足。
 
  一是忽视前期机具维修保养。从事机收作业的农机手往往学历不高,缺少农机系统专业的学习,存在只会买机用机、不会养机修机的问题,机具作业前的维护保养不到位。二是机具更新成本高,现役机具很难实现更低的机损率。“好机不便宜,便宜没好机”这是农机手们广为流传的顺口溜,再加上收割机市场产品品质和性能不一,不少农机手会选择二手机或者便宜点的、参数可能虚标的农机装备,导致农机作业时“掉链子、跟不上”的现象发生。机收作业质量难保证。种植户对于机收损失问题常常“不问不顾”。“三夏”抢收农时短,机具紧张,不少种植户只求收到干净清爽的麦子(不要在扬场清选),收割机清选风量较大,尽可能把杂余吹得干干净净,部分谷粒随小秸秆杂余被风吹到田间去,造成脱粒清选损失加大。
 
  二是机手追求较高的作业效率和较大的利益回报。机收作业时,机手会尽可能地开足马力用“行走”挡位高速作业,而收割机用“行走”挡位高速作业是明令禁止的。据了解,自走履带式联合收割机分别用“标准”挡位和“行走”挡位作业,作业面积每天可相差15-20亩,机手每天创收悬殊达千元左右。
 
  三是不能保证小麦适期收割。小麦机收宜在蜡熟末期至完熟初期进行,此时产量最高,品质最好。但是由于农时短,装备紧等客观原因,以及主观上部分农户缺少对天气和农作物长势的细致观察,对农业部门发布的相关信息也置之不理,直接导致部分农户不能保证适期收割,麦穗折断和田间掉粒问题显著增加,此时机收收割机拨禾轮的冲击,造成割台损失加大,机损率就很难得到保障。
 
  对此,提出如下建议:
 
  1.加强农机装备的试验示范推广工作,确保使用的机具适应当地作物、土壤和气候条件。
 
  2.加强对机手的培训和技术支持,提高机手的农业机械使用维护技能,减少因机器操作不当造成的机器故障和损失。
 
  3.积极调配农机装备,引导农户和机手因地制宜选择收获时机、合适机具和机收方式,保证适期收获,千方百计减少机收损失。
 
  4.加强农机维修和保养服务指导工作,建立农机维修站点和配件供应网络,方便农民及时得到机器的维修和更换配件服务。
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