Summary
This a field guide for selecting, evaluating and growing nitrogen-fixing trees on acid soils. It is most useful for practitioners.
Citation
Powel M.H., 1996, Nitrogen fixing trees for acid soils - a field manual, http://www.nzdl.org/cgi-bin/library?e=d-00000-00---off-0hdl--00-0----0-10-0---0---0direct-10---4-------0-1l--11-en-50---20-about---00-0-1-00-0--4----0-0-11-10-0utfZz-8-00&cl=CL1.12&d=HASHfdd41d552be0ec89f24872.4>=2