1981年6月间,河南、山西两省联合组织有关供销、科研、教学和农林等14名代表临时组成太行山区山楂生产、科研协作组,对该区所属山楂主产县进行山楂生产、科研的检查、讨论工作。重点检查、讨论的问题是山楂育苗、修剪和植保。山楂育苗本刊过去已登载不少。为节省篇幅,避免重复,现就修剪和植保两个问题刊登如下,供生产、科研参考。 June 1981, Henan, Shanxi provinces jointly organized by the 14 representatives of the supply and marketing, scientific research, teaching and agriculture and forestry, the temporary formation of Taihang Mountain hawthorn production, research collaboration group, the district belongs Hawthorn main producing hawthorn production, scientific research Check and discuss the work. Key examinations to discuss the issues are Hawthorn nursery, pruning and plant protection. Hawthorn nursery published in the past has been published a lot. To save space and avoid duplication, now published on the following two issues pruning and plant protection for production, research and reference.