我国每年从美国、加拿大、日本及欧洲一些国家进口几百万吨化肥。进口量已超过印度,为世界首位。欧美等国供国内的化肥很少采用包装运输,而用专用车、船散装运到用户。这种方式效率高,费用少。我们由于缺少专用的散装运输设备,许多购买化肥的用户一次用量又不很多,所以都要求购买袋装化肥。国外生产厂大多以散装形式供货,但前几年我国许多 Every year, China imports millions of tons of chemical fertilizers from the United States, Canada, Japan and some European countries. Imports have surpassed India, ranking first in the world. Countries such as Europe and the United States for the domestic use of chemical fertilizers rarely used for packaging and transportation, but with special vehicles, ships shipped to users in bulk. This method is more efficient and less costly. Due to the lack of dedicated bulk transport equipment, many users of chemical fertilizers do not need to use much at one time, so they all require the purchase of bagged fertilizers. Most foreign production plants in bulk supply, but a lot of our country a few years ago