农用化学品的包装,最初的形式就是从袋到袋,不论是化肥、除莠剂、杀虫剂,包装只有一种形式。袋装农用化学品容易使农民接触到产品,以后发展了塑料瓶或纸盒,虽然带来了不少方便,但是仍不能解决容易接触到产品这一潜在的问题。 1990年春天,美国cyanamid公司介绍了该公司方形HDPE瓶,该方底瓶的盖子结构 The first form of agrochemical packaging, from sachets to bags, is no more than a form of fertilizer, herbicide, pesticide and packaging. Bagged agrochemicals make it easier for farmers to reach out to the product. Later, the development of plastic bottles or cartons, while providing a lot of convenience, still does not solve the potential problem of easy access to the product. The spring of 1990, the United States cyanamid company introduced the company square HDPE bottle, the bottom of the bottle cap structure