共 14 条
[1]
Akkermans A. D. L., 1976, International Biological Programme, P511
[2]
Akkermans A. D. L., 1979, Symbiotic nitrogen fixation in the management of temperate forests (Gordon, J.C.
[3]
Wheeler, c.T.
[4]
Perry, D.A. -- Editors), P160
[5]
AKKERMANS ADL, 1971, THESIS LEIDEN
[6]
NITROGEN-FIXATION IN RELATION TO PHOTOSYNTHESIS IN ALNUS-GLUTINOSA
[J].
BOTANICAL GAZETTE,
1979, 140
:S70-S75
[9]
Hardy R. W. F., 1976, Symbiotic nitrogen fixation in plants., P421
[10]
KRAMER PJ, 1979, PHYSL WOODY PLANTS, P400