发展核桃要重视选种育苗选育优良品种是发展核桃生产的关键环节。在每年核桃即将成熟前，组织有经验的果农和多经技术员深入核桃林区，进行逐株看果选种。采取一问、二看、三选、四议、五比、六解剖果实、七鉴定的方法，选择果大、壳薄、内仁好的丰产单株。在选的树上编号... The development of walnut should pay attention to the selection of seedling breeding fine varieties is the key to the development of walnut. Walnut is about to mature each year before the organization experienced farmers and many technicians in-depth Walnut forest, to look for strains per plant selection. Take a question, second look, three elections, four meetings, five, six anatomical fruits, seven identification method, the choice of large fruit, thin shell, good kernel Ren good yield plant. In the selected tree number ...