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试验从1972年开始,目的在于试图得到能改进栽培技术可供实用的一些基本资料。应根据当地总的生态条件,因地制宜地采用这些技术。为此,要考虑两个主要标准:(1)无性系芽接苗速生,以缩短非生产期。
The experiment began in 1972 with the objective of trying to get some basic information that could be used to improve cultivation techniques. These technologies should be adapted to local conditions based on the general ecological conditions of the area. To do this, two main criteria have to be considered: (1) Rapid growth of clonal budding seedlings to shorten the non-productive period.