Companion plants & how to use them
By: [by] Helen Philbrick [and] Richard B. Gregg. Introd.: H. H. Koepf.
Contributors: Gregg, Richard Bartlett, 1885- joint author.
Publisher: Devin-Adair Co.
Published: 1966
Place of publication: New York
Language: eng
Number of pages: 111
Subjects: Companion crops.
Notes: Bibliography: p. [101]-103.
"Sponsored by the Bio-dynamic Farming and Gardening Association, inc."