The valuation of unexhausted manures obtained by the consumption of foods by stock. - Voelcker, John Augustus; Hall, Daniel, Sir, 1864-1942 (London, J. Murray, 1903)
"From the Journal of the Royal Agricultural Society of England, vol. 63, 1902, p. 76-114."
Includes bibliographical references.
Keywords: Fertilizers -- Economic aspects; Farm manure