Sulphur as a factor in soil fertility ... Woodard, John creator text book Chicago 1922 1922
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ENG "Privated edition, distributed by the University of Chicago libraries, Chicago, Illinois." "Contributions from the Hull botanical laboratory 289." "Reprinted from the Botanical gazette, v. LXXIII, no. 2, February, 1922." Thesis (PH.D.)--University of Chicago, 1923. Thesis (Ph. D.)--University of Chicago, 1923. Soils Sulphur S663 .W6 https://www.biodiversitylibrary.org/bibliography/23758 29650714 23007314 10.5962/bhl.title.23758 Univ. of Chicago Libr.