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保护地栽培甜樱桃一般采用光照条件较好的自然开心形和改良主干形。同一棚内可采用两种树形,日光温室的南部或塑料大棚的边行可采用自然开心形,日光温室的北部和塑料大棚的中部可采用改良主干形。一、自然开心形1.结构特点。干高30~40厘米,全树3~5个主枝,呈30°~40°角斜向延伸,每个主枝上留5~6个背斜或背后侧枝,插空排列,开张角度70°~80°,多单轴延伸,其上着
Protected cultivation of sweet cherry generally use light conditions, good natural happy shape and improve the trunk shape. Two kinds of trees can be used in the same shed. The side of the solar greenhouse or the plastic shed can be naturally happy. The northern trunk of the greenhouse and the middle of the plastic shed can adopt the modified trunk shape. First, natural happy 1. Structural characteristics. Height 30 to 40 cm, the whole tree 3 to 5 main branches, oblique angle of 30 ° ~ 40 °, leaving 5 to 6 on each main branch of the anticline or the back of the branches, inserted in the air arrangement, the opening angle of 70 ° ~ 80 °, more uniaxial extension, on with