Fertilizer experiments
Subtitle: the need for long-term trials
By: G. Kemmler, H. Malicornet.
Series: IPI research topics -- no. 1.
Publisher: International Potash Institute
Published: 1976
Place of publication: Worblaufen-Bern
Language: eng
Number of pages: 34
Subjects: Fertilizers -- Research.
Notes: Bibliography: p. 33-34.