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茶叶生产大国的全程机械化有多难?

2018-06-09 18:52:01 来源:中国农机网原创 作者:林言 阅读量:51511 评论

导读:近日,联合国粮农组织发报告称,在新兴国家强劲需求带动下,茶叶生产和消费预计今后10年将进一步增长,将为农村创造更多收入,并改善产茶国家的粮食安全状况。

  【中国农机网 编辑视角】近日,联合国粮农组织发报告称,在新兴国家强劲需求带动下,茶叶生产和消费预计今后10年将进一步增长,将为农村创造更多收入,并改善产茶国家的粮食安全状况。
 
  报告表示,今后10年,世界红茶产量预计将保持2.2%的年增长率,其中主要产量增长将出现在中国、肯尼亚和斯里兰卡;绿茶产量预计将以7.5%的年增速增长,而且中国绿茶产量成倍增加将成为推动总体增长的主要因素。
 
  茶叶生产大国的机械化难题
 
  我国是大的茶叶生产国、消费国。据统计,2017年全国茶园面积4400多万亩,干毛茶产量258万吨,同时中国茶叶在茶叶贸易中也占有重要地位。2001年到2017年,我国茶叶出口量从24.97万吨增长到35.52万吨,年均增长2.23%,同期出口额从3.42亿美元增长到16.14亿美元,年均增长10.18%。
 
  我国虽然是茶叶大国,但是目前大部分茶园却依然是古老的人工采茶模式。由于我国茶园多分布于丘陵山区,地域地形复杂,机械化难度大,综合机械化作业水平不足10%,茶园管理与茶叶采摘劳动力成本超过60%,生产效益极低。茶产业综合竞争力和可持续发展受到严重制约,实现茶园生产全程机械化迫在眉睫。
 
  解放劳动力,节约成本
 
  自古以来茶叶采摘都是靠人工摘取,这样不仅会耗费大量劳动力,而且效率、耗时长。随着经济的发展、用工成本的增加,近年来茶叶种植户很难招到大量采茶工,而且用人费用极高,单纯劳动力成本已占总成本的65%以上,这是全国茶区普遍存在的问题。而若用采茶机器代替人工,一台采茶机只需用工5人,每天能采摘鲜叶5000多公斤,一台机器相当于100多名采茶工采的量,一亩茶园可节工省本320元。
 
  除此之外,茶叶采摘后的加工工艺也是关键环节,茶叶采摘后必须马上进行初加工,因此机器流水线作业是不可或缺的,机械化自动化加工不仅会大大提高制茶效率,推动茶产业的发展,而且有效减少了茶叶与人体的接触次数,茶叶产品安全有了更好的保障。
 
  实现全程机械化还要迈过这些“坎”
 
  由于茶园种植地多为丘陵地区,地形复杂,且种植多为散户,因此实现茶叶生产机械化、标准化有一定难度。接下来要着力解决茶叶生产过程中劳动力短缺、作业强度大、生产成本高等问题,加强茶园田间作业机械、农艺农机融合、茶叶加工自动化生产线等研究,集成各项技术,形成标准化茶叶生产技术模式,制定技术规程,在典型茶区进行规模化示范应用,以提高茶叶生产的整体质量和效益。
 
  另外由于茶叶本身的文化特色和地域属性,茶叶很难实现初加工标准化生产。市场需求的多样性导致了茶叶机械的多样性,使得初加工生产线的机械很难实现标准化。目前国内茶机产业仍然处于发展时期,80%以上的茶机厂以组装生产为主,既无自主核心技术,又缺少引导,未能形成专业化协作强、配套能力高的产业集群,难以形成品牌效益和规模效益。
 
  未来,要解决全程化、标准化“难题”,就要在提升茶叶品质,降能耗、低成本的基础上,结合茶叶生产需求,推进与高等院校、科研单位、技术推广部门的横向合作和联合攻关,大力研发和推广茶机新产品、新技术、新工艺和新设备,努力打造民族品牌竞争力,尽早实现茶叶的全程机械化。
 
  本文由中国农机网(www.nongjx.com)原创,转载请注明出处。部分资料来源:经济日报、中国农机化导报,如有侵权或异议请联系我们。
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