共 42 条
[1]
Akkermans A. D. L., 1979, Symbiotic nitrogen fixation in the management of temperate forests (Gordon, J.C.
[2]
Wheeler, c.T.
[3]
Perry, D.A. -- Editors), P160
[4]
Akkermans A. D. L., 1983, Biological nitrogen fixation in forest ecosystems: foundation and applications, P7
[6]
AKKERMANS ADL, 1971, THESIS LEIDEN
[7]
AKKERMANS ADL, 1983, ADV NITROGEN FIXATIO, P311
[8]
ALLEN J. D., 1966, NEW ZEAL J BOT, V4, P57
[10]
ULTRASTRUCTURE OF THE NITROGEN-FIXING SYMBIONT OF MYRICA-PENSYLVANICA L (BAYBERRY) ROOT-NODULES
[J].
BOTANICAL GAZETTE,
1979, 140
:S15-S21