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随着社会主义现代化建设事业的发展,全国范围的经济联合、技术协作活动,已经蓬勃展开,特别在民族地区和多民族省份,更为人瞩目。今年五月,云南邀请十八个省市、中央十一个部委的同志在昆明举行会议,就联合开发云南自然资源,发展云南经济,进行了广泛的研究和讨论。会上,初步达成协议的联合项目35项,其中合资建设年产三万吨的黄磷厂,是最重要的成果。云南省磷矿储量约上百亿吨之多,储量大,品位高,居全国之首。而磷肥在我国却极感缺乏,土壤含磷量很低,不但低于美国、苏联、日本等先进国家,也低于世界的
With the development of the cause of socialist modernization, the activities of economic cooperation and technical cooperation across the country have been vigorously carried out, attracting much attention, especially in minority areas and multi-ethnic provinces. In May this year, Yunnan invited 18 provinces and municipalities and 11 comrades from the central government to hold a meeting in Kunming to conduct extensive research and discussions on jointly developing Yunnan’s natural resources and developing Yunnan’s economy. At the meeting, a preliminary agreement reached 35 joint projects, of which a joint venture to build an annual output of 30,000 tons of yellow phosphorus plant, is the most important result. Yunnan phosphate rock reserves of about 10 billion tons as much reserves, high grade, ranking first in the country. However, phosphate fertilizer is extremely scarce in our country. Soil phosphorus content is very low, not only lower than the United States, the Soviet Union, Japan and other advanced countries, but also lower than the world