矮化苹果树树形不宜用主干疏层形近年来，在各苹果主产区，矮砧或矮化中间砧苹果园的面积，不断增加。但不少生产果园的矮砧或矮化中间砧苹果树的树形，仍然采用主干疏层形。幼树进入结果期以后，基层侧生枝往往过大，中心干的生长势偏弱，树冠偏倾；进入盛果期，虽然也满... Dwarf apple tree should not use the main tree sparse form In recent years, the main producing areas in the apple, dwarf anvil or dwarfing anvil apple orchard area, increasing. However, many of the tree orchard dwarf anvil or dwarfing intermediate anvil apple trees still use the main sparse layer shape. Saplings into the fruiting period, the grassroots side branches are often too large, the center of dry growth potential is weak, crown tilted; into full fruit period, though also full ...