铁核桃改造是指采用嫁接方法把野生铁核桃改变为经济价值和利用价值都比较高的泡核桃。核桃嫁接方法中芽接类有方块芽接、稍带木质片芽接、舌状芽接等 ;枝接类有劈接、切接、插皮接等。笔者经过多年嫁接实践 ,总结出铁核桃改造嫁接新插皮接技术。这一技术在铁核桃幼树嫁接、小 Iron walnut transformation refers to the use of grafting methods to change the wild iron walnut economic value and utilization of relatively high value walnut. Walnut grafting methods in the bud with square block budding then, with a small piece of wood budding, tongue budding and so on; branches are split split access, cut access, plug the skin and then pick. After years of practice, the author summed up the transformation of iron walnut graft inserted new technology. This technique is grafted on young walnut trees, small