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三、增强苹果园生产力的主要措施(一)园地的充实对于因高接病、腐烂病、银叶病危害而缺株的苹果园,多采取补植的方法充实园地。补植留木宜选用半矮化砧M7、MM106,先培养成2、3年生健壮大苗,然后,按缺树1株补植5株(株距7.2米的果园),缺树2株补植6株(株距6.3米的果园),缺树2株补植8株或11株的方式,
Third, the main measures to enhance the productivity of apple orchards (A) the enrichment of the garden For the high incidence of disease, decay, silver leaf disease endangerment of apple orchards, and more replanting methods to enrich the garden. Replanting trees should use semi-dwarfing anvil M7, MM106, first cultivate into 2, 3-year-old robust seedlings, and then, according to a tree replant 5 plants (plant spacing 7.2 m orchard), lack of tree replanting 6 Strain (6.3 meters orchard), the lack of two plants planted 8 or 11 strains of the way,