由于欧洲的制盐方法受到有限的资源,以及少数国家重商主义者制定的政策的影响,这些制盐方法的历史给人的印象是:与中国、印度、苏联和美国等大陆性国家所采用的方法略有不同。各国都拥有各种各样的盐源。由于这些国家仅仅拥有基本的运输系统,而这种状况一直持续到19世纪,因此它们特别明瞭地展现出了各种各样、持续不变的制盐方法。 迄止1935年,大约80％的中国盐是从海里获得的。P·泽特可夫认为能够断定一 Because of the limited resources available in European salt production and the policies of mercantilists in a handful of countries, the history of these salt-making methods gives the impression that with the introduction of continental countries such as China, India, the Soviet Union and the United States The method is slightly different. All countries have a variety of salt sources. Since these countries had only basic transport systems, which lasted until the nineteenth century, they demonstrated with particular clarity a variety of consistent salt production methods. By 1935, about 80% of Chinese salt was obtained from the sea. P. Zitkov can think of one