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一、调查的目的为适应造林事业的发展,单位面积内苗木的产量和质量怎样才合乎要求,是当前育苗工作中存在的一个问题。1955年9月6日全国种苗工作座谈会总结中曾提出主要树种育苗的产量和质量的标准,1956年林业部頒发的国营苗圃育苗技术规程中也提出各主要树种的产苗量,但这些是属于全国性的原则要求,对各地区来说,还須按具体情况作进
First, the purpose of the investigation To adapt to the development of afforestation, seed production and quality within a unit area, how to meet the requirements, is the current nursery work there is a problem. September 6, 1955 national seedling work forum concluded in the main tree seedling production and quality standards, the Ministry of Forestry issued in 1956 the state-owned nursery nursery technical specifications also raised the main tree species of seedlings, but These are the requirements of the principle of being national. For all regions, they must also be made according to specific conditions.