Holbert, James R. 1890 books & textbook
Factors influencing lodging in corn
Koehler, Benjamin Holbert, James R. 1890- Dungan, George Harlan
Ulan Press /2012-10-31 Paperback / 74 Pages
Corn Diseases in Illinois
Koehler, Benjamin Holbert, James R 1890-
Palala Press /2018-03-04 Paperback / 184 Pages
isbn-10: 1379252067 / isbn-13: 9781379252061
Corn Root, Stalk, and ear rot Diseases, and Their Control Thru Seed Selection and Breeding
Palala Press /2015-09-05 Hardcover / 262 Pages
isbn-10: 1341578461 / isbn-13: 9781341578465
