采用良种多头高接是改造低产或无产量栗树的有效方法之一.经改造的栗园,嫁接当年即可见果,2年生最高株产可达6.7斤,4年生平均株产3.95斤,亩产474斤.1.接穗的采集和处理.于3月份在良种母树上剪取无病虫害、生长 The use of high-yielding bulls is followed by the transformation of low yield or yieldless one of the effective methods of chestnut trees. The modified chestnut garden, grafting that year can see fruit, 2-year-old strain of up to 6.7 kg, 4-year average yield of 3.95 kg, mu Production of 474 kg .1 scion collection and processing. In March on the mother tree cut no pests, growth