通过对柳林县穆村镇二村杜峪、张家山、高家山等幼龄果园拉枝开角效果的调查,提出以下注意事项。 1.拉枝开角要合理 在调查的果园中有的是角度小没有起到拉枝缓势的作用,果树历年旺长,冒条多满树旺条不结果。有的是角度过大导致果树枝条极性部位转移,背上荫枝多,大多是徒长枝不充 Through surveying the effect of opening angle of young branches in Duyu, Zhangjiashan and Gaojiashan of Mucun Town, Liulin County, the following precautions are proposed. 1 pull branches open angle to be reasonable in the survey of the orchards in the angle of some small branches did not play a role in the role of slow-limbed, fruit trees prosperous over the years, taking more than enough trees take no result. Some are too large in angle leading to the transfer of polar parts of fruit trees branches, branches and more branches, mostly limbs are not sufficient