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当前,又到了大棚换膜的时候了。每年总有些菜农在换膜时出现这样或那样的问题:有些菜农选用棚膜不当,不能充分发挥出棚膜的优良特性,反而影响了蔬菜生长;有些菜农将棚膜装反了,流滴性差,棚内湿度大;有些棚膜使用不到一年就破碎了……农膜种类多,品牌杂乱,质量参差不齐,菜农在选购、安装棚膜时应该注意哪些问题呢?对此,记者专门咨询了农膜行业的有关人员,这一期,我们一起来了解一下大棚膜的有关知识及换膜时需要注意的问题。
Currently, it is time to change the greenhouse. There are always some farmers in the film when there is such a problem or change: Some farmers use inappropriate selection of greenhouse film, can not give full play to the excellent characteristics of the film, but affect the growth of vegetables; some vegetable farmers will be installed anti-membrane, the drip poor , Shed humidity; Some shed film use less than a year to break up ... ... Farming types, brand clutter, uneven quality, farmers in the purchase, installation of film should pay attention to what issues? In this regard, Reporters specialized advice agricultural film industry personnel, this period, we work together to understand the greenhouse film knowledge and change the film need to pay attention to the problem.