Method for grafting Yunxin walnuts

The invention provides a method for grafting Yunxin walnuts. The method includes soaking the roots of rootstock in naphthylacetic acid solution with certain concentration before seedlings are grown from the rootstock which is engelhardia roxburghiana; soaking scions in indolebutyric acid solution before the Yunxin walnuts are grafted. Special fertilizers are applied to the engelhardia roxburghiana and the Yunxin walnuts, sunflower stems and leaves and rice bran are fermented to obtain fermented vegetable fertilizers, and the fermented vegetable fertilizers, compound fertilizers with phosphorus gypsum, potassium sulfate, urea and calcium magnesium phosphate fertilizers and organic fertilizers with earthworm cast and plant ash are mixed with one another to prepare the special fertilizers. The method for grafting the Yunxin walnuts has the advantages that the Yunxin walnut grafting survival rate can be greatly increased, the disease resistance, water logging resistance, cold resistance and insect resistance capa