Editore: U. S. Department of Agriculture, Washington DC, 1926
Da: Book Booth, Berea, OH, U.S.A.
Paperback. Condizione: Good. minor shelf wear and cover soil, corners lightly bumped, markings from private library on front cover, in original brown wraps, stapled binding tight, pages 845-872, reprint from Journal of Agricultural Research, Vol. 33, No. 9, results of experiments on growth rates of wheat disease in relation to pH Size: 6 x 9.