多头高接应注意的问题多头高接是目前改良老劣果树品种的重要措施。在生产中，若应用不当，易造成内膛空秃、延迟结果和不丰产等后果。现将应用此项技术应注意的问题说明如下：一、高接树抹头全树要一次性抹头，高接部位尽可能放矮。对已整过形的树，在原基础上，主枝长留... Long high picks attention to the problem of long high pick is an important measure to improve the variety of old and poor fruit trees. In production, if not properly applied, it is easy to cause baldness in the bore, delayed result and non-productive yield. Now the application of this technology should be noted that the problem is described as follows: First, the high tree head tree to a one-time head wipe, high take place as much as possible put short. For the entire over-shaped tree, based on the original, the main branch stay ...