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李树结果早、受益快,适应性强,栽培管理方便。但是,北京地区李园却产量不高,收益不大。我们在1982～1985年对李树进行了初步调查和试验,现将调查结果整理于后供参考。 一 、品种问题 据北京市林业局统计,北京李树品种有69个,但大面积商品栽培只有十余个,如晚红、小核、串玲、西
Li Shu results early, quick benefit, adaptability, cultivation and management convenience. However, Li Park in Beijing is yield is not high, little benefit. We conducted a preliminary investigation and test of plum tree from 1982 to 1985, and the results of the investigation are now compiled for reference. First, the variety problem According to Beijing Municipal Bureau of Forestry statistics, there are 69 varieties of Beijing Li Shu, but only a dozen large-scale commercial cultivation, such as late red, small core, string Ling, West