适时抑长预防冻害近年在幼树管理中，栽培者为了加速扩冠催长，很注重施用氮肥和浇水，因此长势旺盛，而组织不充实，当早霜来临时，叶片冻死仍枯立枝头，造成叶片养分不能回流，甚至枝条冻死，花芽受害，冬季抽条严重，从而使幼树受到极大摧残。据此应适时抑长，提高组织... In a timely manner to prevent frost damage in sapling management in recent years, growers in order to accelerate the crown expansion, it attaches great importance to the application of nitrogen fertilizer and watering, so strong, and the organization is not full, when the early frost, Head, causing the leaves of nutrients can not return, or even frozen branches death, flower bud victims, pumping heavily in winter, so that saplings have been greatly devastated. This should be timely growth, improve the organization ...