Chemicals, humus, and the soil
Subtitle: a simple presentation of contemporary knowledge and opinions about fertilizers, manures, and soil fertility
By: by Donald P. Hopkins.
Publisher: Faber and Faber limited
Published: 1945
Place of publication: London
Language: eng; swe
Number of pages: 278
Subjects: Fertilizers.; Humus.
Notes: "First published in Mcmxlv."

"Some of the chapters ... appeared in more condensed forms in ... the Fertilizer journal and the Estate magazine."--Pref.

Bibliography: p. (271)-273.