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本文根据二十年来我国九个省、区,二十个科研单位进行的73项甜菜品种试验进行整理统计,对我国解放后引进的十八个国家158个甜菜品种,根据产量与含糖分数量间比例关系的特点,采用农业统计上“环比定级”的方法,综合鉴定其品种类型,以便于省区间引种利用,在生产上具有一定的实用价值。
Based on the statistics of 73 sugar beet varieties tested in nine provinces, regions and 20 scientific research units in China in the past 20 years, this paper analyzes 158 sugar beet varieties introduced from 18 countries in our country after liberation. According to the yield and sugar content Proportion of the characteristics of the use of agricultural statistics on the “ring than grading” approach, a comprehensive identification of the type of species in order to facilitate the introduction of the provincial interval, in the production of a certain practical value.