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在小学《自然》课和中学《生物》课的实验教学中和中小学课外科技活动中 ,经常要进行植物栽培。我在教学工作中 ,制作了一种简易渗灌式栽培器。此法制作简单 ,便于使用 ,利于观察实验过程 ,在教学工作中 ,取得了较好的效果。现把简易渗灌式栽培器的制作及使用方法介绍如下 :1
In the experimental teaching of the elementary school “Nature” class and the “Biology” class in secondary schools and in extracurricular science and technology activities in primary and secondary schools, plant cultivation is often carried out. In my teaching work, I created a simple irrigation device. This method is simple to produce, easy to use, conducive to observation of the experimental process, in the teaching work, has achieved good results. The following is a brief introduction to the production and use of the simple infiltration irrigation device: 1