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一.过去不正确的认识在过去很长的一段时期中,云南曾展开了在中国第一次的金鸡纳生产栽培试验工作,并获得了初步成功经验。解放后的三年多来,由于人民政府在全国范国内大力开展了卫生防疫运动,特别是疟疾预防治疗工作的需要,引起了各方面对金鸡纳生产的重视,表现在全国各地许多林业部门和高等学校的林学系,不断的向云南要求供应金鸡纳树的种子,作为试验栽培之用。但由于对金鸡纳树在林业上的特性,或缺乏足够的认识,人们以为金鸡纳树,好像其他一般森林树种一样,可以在不同的气候和土壤条件下的广大地区内,用一般的育苗造林技术,就
I. Inaccurate understanding in the past In the long period of time in the past, Yunnan conducted the first chenjina cultivation experiment in China and obtained initial successful experience. Since the liberation of more than three years, due to the People’s Government in the countrywide national vigorously carry out the campaign of health and epidemic prevention, especially the needs of malaria prevention and treatment, has attracted all aspects of the production of cinchona attention, manifested in many forestry departments across the country And Forestry Department of colleges and universities, continue to request the supply of Yunnan cedar tree seed, as a test cultivation purposes. However, due to the characteristics of the cinchona tree in the forestry industry, or lack of adequate understanding, people think that the cinchona tree, like other common forest species, can be in different regions of the climate and soil conditions, the general nursery afforestation Technology, it