适应中度密植的简单树形为“低干矮冠三主枝半圆形”.笔者在西北农大园艺系黄尚志副教授指导下,通过在陕西参观、实际操作,认为该树形具有易于掌握、整形快、早结果、早丰产等特点.现将该树形整形技术介绍如下. The simple tree adapted to medium and close planting is “low dry short crown three main branch semicircle.” Under the guidance of Associate Professor Huang Shangzhi of Northwest Agricultural University, through the visit in Shaanxi and practical operation, the author thinks the tree has the advantages of easy Mastery, plastic surgery, early results, early bumper crop and other characteristics now introduce the tree shaped plastic technology is as follows.