Seaweed in agriculture & horticulture /
W. A. Stephenson ; [with a pref. and updating by] Ernest Booth.
- 3d ed.
- Pauma Valley, California : B. and G. Rateaver, c1974.
- 241 pages : Illustrations ; 22 cm.
- Conservation gardening and farming series : Series C, Reprints .
- Conservation gardening and farming series : Series C, Reprints. .