TY - J Integr Plant Biol A1 - Shi Ding-ji, Li Jia-ge, Zhong Ze-pu, Wang Fa-zhu, Zhu Li-ping and G.A.Peters T1 - Studies on Nitrogen Fixation and Photosynthesis in Azolla imbricata Roxb and Azolla fiticuloides Lam. Y1 - JF - Journal of Integrative Plant Biology JO - J Integr Plant Biol SP - EP - VL - 23 IS - 4 UR - https://www.jipb.net N1 - ER -