山东省莱州市城港路办事处淇水村农民刘永珩 ,以自己创办的永恒种苗试验基地为依托 ,历经三年种植试验 ,探索成功国槐一年两茬高产槐米种植技术 ,利用国槐母体嫩芽在国槐树体上嫁接成活后 ,即可对国槐老树进行嫁接改枝换头 ,也可直接移植到大田密植 ,第二年即可在每年的 7月中 Liu Yongheng, a farmer from Qishui Village, Chenggang Port Office, Laizhou City, Shandong Province, relies on the eternal seedling test base set up by himself. After three years of planting experiment, he explores the successful cultivation of Sophora japonica with two generations of Sophora japonica per year, After the buds are grafted on the body of Sophora japonica, grafting can be carried out on the Sophora japonica trees, or they can be directly transplanted to the fields and densely planted. In the second year,