| Scouting and Recommendation Manuals | |
| General | |
| OSU (New) Nitrogen Recommendations | Univ. Illinois Integrated Pest Mgt. (IPM) |
| Univ. Wisconsin Corn Scouting Guide | Multiple Univ. IPM Bulletins |
| Insect and Disease | |
| N. Carolina State Univ. insects and disease | Univ. Illinois corn diseases |
| Iowa St. Univ. image gallery | |
| Specific Insects | |
| Iowa State Univ. Corn Rootworm | Univ. Minnesota European Corn Borer |
| Univ. Nebraska Black Cutworm | Univ. Nebraska ear feeding insects |
| Nutrient Deficiency Symptoms | |
| Univ. Georgia corn deficiency | Univ. Minnesota corn deficiency |
| Dairy Management Recommendations | |
| Michigan State Univ. Dairy Review | |
| University Extension & Agriculture Sites | |
| Ohio State University | Illinois University - Urbana/Champaign |
| Purdue University | Iowa State University |
| Michigan State University | Missouri University |
| OSU OhioLink | OSU Farm Management News |
|
Newspapers |
|
| The Daily Standard | Knapp's News |