227 strains isolated from 24 species woody legumes that 9 genus 14 kinds blongs to Papilionoids, 3 genus 3 kinds blongs to Caesalpinioideae and 5 genus 7 kinds are Mimosoideae, in Jianfengling National Nature Reserve, Hainan province. 117 strains which had the colony characters of rhizobia were carried on 16S rDNA appraisal, 27 strains which were rhizobia had carried on further research, physiological biochemistry tests, the BIOLOG carbon source utility, dissolving phosphors and potassium,9 Rhizobiu...