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我国联碱工业迅速发展,氯化铵产量日益增多,1980年全国年产氯化铵约60万吨,1987年增至90余万吨,预计“八五”中期总产为200万吨。到本世纪末,我国每年含氯化肥(氯化铵加氯化钾)投入的氯量将达到500万吨左右,平均每亩耕地6公斤以上。因而,研究氯根的农化特性,安全施用技术,我国含氯化肥的容量和布局,是我国含氯化肥生产、应用中的一项基础性工作。本文对我国部分省市土壤含氯量及灌溉水源含氯量作简述。
China’s rapid development of the joint-alkali industry, ammonium chloride production is increasing, in 1980 the national annual output of about 600,000 tons of ammonium chloride in 1987 to more than 900,000 tons, is expected to “Eighth Five-Year” total output of 2 million tons. By the end of this century, the annual amount of chlorine in China that contains chlorinated fertilizer (ammonium chloride and potassium chloride) will reach about 5 million tons, with an average of more than 6 kg of cultivated land per mu. Therefore, it is a basic work in the production and application of chlorinated fertilizers in China to study the characteristics of agrochemicals, safe application technology, the capacity and layout of chlorinated fertilizers in our country. In this paper, some provinces and cities in China soil chlorine content and chlorine content of irrigation water are briefly described.