Studies on chemical constituents from the flower of albizzia julibrissin durazz .
合欢花化学成分的研究。
It is of great significance for greening wasteland , soil amelioration and promoting ecological balance that cajanus cajan , tephrosia candida and robinia pseudoacacia are planted on the cinnamon red earth of the southern subtropical zone , and that albizzia kalkora and robinia pseudoacacia on the purplish soil of the middle subtropical zone .
