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九月开学季(下):那些年,8090的“开学课”看除草机行业

2018-09-04 17:02:31 来源:中国农机网原创 阅读量:48299 评论

导读:9月份,不论是对中小学生还是大学生而言,都是重返校园的重要日子。自2008年起,教育部就与电视台密切合作,于每年的9月1日新学年开学之际推出大型公益节目《开学课》。

  【中国农机网 编辑视角】9月份,不论是对中小学生还是大学生而言,都是重返校园的重要日子。自2008年起,教育部就与电视台密切合作,于每年的9月1日新学年开学之际推出大型公益节目《开学课》。
 
  今年的《开学课》以“创造向未来”为主题,通过“梦想、奋斗、探索、未来”四个篇章,来鼓励孩子们提高自我的实践能力、创新思维以及科学素养,为自己的梦想而奋斗,积极探索,创造未来。这是属于90后和00后的“开学课”,那么70后、80后甚至是90后早期的“开学课”你知道是怎样的吗?
 
  那些年,8090的“开学课”
 
  作为在农村长大的90后一员,小编既有过坐在班里全班一起观看电视上播放的《开学课》的经历,也有过别具生面的“开学课”。犹记得那还是小学的时候,每次开学,大家进入学校的件事无非是大扫除和给花坛草丛拔草,这就是我们那个时候的“开学课”。
 
  那时候的农村学校水泥地面积相对较小,花坛草丛面积大,又没有请相关的人员打理,一个暑假过完,里面可以说是杂草丛生。于是,每当开学,除草便成为了“头等大事”,一些家离学校比较近的同学还会自己带上小锄头。
 
  那个时候,劳动虽然累,但是依然抵挡不住大家重逢的喜悦。一边说说笑笑,各自讲述自己暑假的见闻,一边劳动,有的还在花坛里寻找是否有“四叶草”,以期能带来一个学期的好运。现在想想,也不失为一幅和谐而欢乐的画面,而现在这种场面可以说几乎是见不到了。这一方面是由于教育的进步,对于学生的管理要求进一步提高,草丛打理这类事情都由专业人员完成;另一方面也是因为机械除草的进一步推广,为校园除草降低了难度。
 
  你见过校园里的除草机吗?
 
  现在的校园里,各绿化区域再也不用学生去拔草了,大家想必都看到过开着除草机的工作人员。除草机又叫草坪机,一般都是由刀盘、发动机、行走轮、行走机构、刀片、扶手及控制部分组成,其工作效率要比人工锄草提高8至10倍,大大提高了工作效率,同时减轻了劳动输出,减少了大量的人力资源浪费。
 
  草坪机是将装有发动机的刀盘安装在行走轮上,而发动机的输出轴上装有刀片,工作时刀片利用发动机的高速旋转,对草坪进行修剪。它可以根据草坪的要求确定剪草后的留茬高度,南方的暖季型草坪留茬一般为3厘米,北方的冷季型草坪留茬高度为5厘米。而除了草坪还有其他的除草机械,我们一起来了解一下。
 
  除草机一般分为挂式、往复式、旋转式、推车式以及草坪除草机。挂式除草机相对而言结构简单、轻便、机动灵活;往复式除草机割茬整齐,但对牧草不同生长状态的适应性差,易堵塞,适用于平坦的天然草场和一般产量的人工草场;旋转式割草机对牧草的适应性强,适用于高产草场,但切割不够整齐,重割较多;推车式除草机方便轻巧灵活,对不同地形适应良好,操作简单;草坪除草机则是我们上文提到的一般在校园中见到较多,剪草时只能沿斜坡横向修剪,不能顺坡上下来修剪。
 
  小结
 
  随着我国市场经济的不断发展,我国的除草机行业也迎来了高速增长时期。而加入WTO,更是使得除草机行业出口形势良好,就当前的发展形势而言,伴随着整个经济结构的不断调整优化,农机行业转型升级,除草机相关企业也更加重视品牌培养和技术创新能力的提高,争取在市场中占得先机。
 
  另外,目前的除草机大部分还有一个相同的问题,那就是作业的时候声音较大,造成一定的噪音污染,想必这个方面后续有待改进。与此同时,互联网和大数据的不断深化推广,也为智能化除草机提供了发展机遇,相信在不久的将来,还会有自动化程度更高、操作更舒适的除草机械出现。
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