**Distant-Graft Mutagenesis Technology in Soybean**

Pan Xiang-Wen1, Cao Chang-Yi1, Zhang Qiu-Ying1, Li Yan-Hua1, Wu Xiu-Hong2, Wang Guo-Dong1 and Du Wei-Guang1 *1Key Laboratory of Mollisols Agroecology, National Observation Station of Hailun Agroecology System, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin, 2Jiamusi Branch of Heilongjiang Academy of Agricultural Sciences, Jiamusi China* 
