移接新根辅助治疗苹果树根腐病我们从１９８９年春开始试验用移接新根法辅助治疗苹果树根腐病，取得了良好效果。具体方法是：３月中旬至４月下旬把病根刨开切除，并铲除带病的土壤，然后根据移接新根所分布占据面积的大小挖２５ｃｍ深的土穴，浇上１００倍的兰矾水溶液（... Replacing Roots with New Roots for Root Rot Treatment of Apple Trees We started with the new root method in 1989 to test the treatment of root rot in apple trees and achieved good results. The specific method is: mid March to late April to disembowelling the root planing and eradicating diseased soil, and then according to the size of the transfer of new root to occupy the area dug 25cm deep soil hole, poured 100 times the alum aqueous solution (...