梨枣开心形树形每株有4～5个主枝,冬季疏除主枝和侧枝上所有结果枝组、包括延长部位的二次枝。结果枝组由当年春季萌发的枣头培养而成,每个主枝保留4～6个枣头、每个枣头保留4～5个二次枝摘心。该法修剪延迟开花15天左右,避过麦收干热风,坐果率和果实品质皆有提高,且树体容易保持丰产稳产。 Pear happy heart-shaped tree per plant has 4 to 5 main branches, winter sparse main branches and all results on the side branches Zhizu, including the extension of the secondary branches. Results The branch group was cultivated by the jujube head germinated in the spring, with 4 to 6 jujube heads per main branch and 4 to 5 secondary branch injections per jujube head. The method of pruning delayed flowering about 15 days, avoid wheat dry hot wind, fruit set rate and fruit quality are improved, and the tree is easy to maintain high and stable yield.