A practical course in agricultural chemistry
Subtitle: for senior students of agriculture, dairying, horticulture and poultryhusbandry
By: by Frank Knowles and J. Elphin Watkin.
Contributors: Watkin, J. Elphin.
Edition: 2nd ed.
Publisher: Macmillan
Published: 1947
Place of publication: London
Language: und
Number of pages: 216