Fast growing trees and nitrogen fixing trees: international ...
Dietrich Werner
Akkermans, A.D.L. (1971). Nitrogen Fixation and Nodulation of Alnus and Hippophae under Natural Conditions. PhD Thesis University Leiden, The Netherlands, 85 pp. 2. Akkermans, A.D.L, Baker, D, Huss-Danell, K. and Tjepkema, J.D. (eds.) (1984). Proceedings Int Workshop on Frankia Symbioses. Plant and Soil 78, 1-258. 3. Akkermans A.D.L. and Dijk C. van (1981). In Broughton W.J. (ed.): ... 336 □ Antoon D. L. Akkermans and Dittmar Hahn 22. Frankia as a Limiting Factor in the ...