一、设置防护林。矮化密植果园需要在定植果树前建立防护林,特别是矮砧密植果园,由于根系较浅,在风大地区和冬季较冷地区,更需要以防护林加以保护。防护林树种选择,栽植原则,与普通果园一致。二、矮化砧利用原则。利用自根砧,其矮化程度高,早果性状强于中间砧。M_4、M_4、MM_(106)3种砧木适宜作自根砧。三种砧木和早果品种组合时,也可以作为中间砧来利用。中间砧的繁殖速度,适应性,强于自根砧。M_9、M_(26)适宜作中间砧。立地条件较好或高密栽培时,M_(26)可以作自根砧来利用。三、砧段长度。自根砧10～20厘米(指地上部分),中间砧20～30厘米,一般情况下矮化中间砧的 First, set up shelter. Dwarf and dense orchards require the establishment of shelterbelts before the planting of fruit trees, especially dwarf anvil planting orchards. Due to the shallow root system, it is even more necessary to protect them with shelterbelts in large areas of wind and colder areas in winter. Shelterbelt tree selection, planting principles, consistent with ordinary orchards. Second, the dwarfing anvil use principle. The use of self-rootstock, dwarfing a high degree of early fruit traits stronger than the anvil. M_4, M_4, MM_ (106) three kinds of rootstock suitable for self-rootstock. When the combination of three kinds of rootstock and early fruit varieties, can also be used as an intermediate anvil. The reproduction rate of intermediate anvil, adaptability, stronger than the rootstock. M_9, M_ (26) suitable for the middle anvil. Site conditions are better or high density cultivation, M_ (26) can be used as self-root anvil. Third, the anvil length. From the root anvil 10 to 20 cm (referring to the ground above), the middle anvil 20 to 30 cm, dwarfing the middle anvil