| • | Weed Science at Southern Illinois University |
| • | Weed Research Annual Report, 1999 |
| • | General Statement |
| • | Acknowledgements |
| • | Faculty and Staff |
| • | Adjuvant Studies |
| • | Wheat Fungicide and Doublecrop Soybean Weed Control Studies |
| • | Corn Weed Control Studies (No-Till) |
| • | Corn Weed Control Studies (Tilled) |
| • | Soybean Weed Control Studies (No-till) |
| • | Soybean Weed Control Studies (Tilled) |
| • | Index of Weeds |
| • | Index of Herbicides |
| • | Rainfall |
| • | Air Temperature |
| • | Relative Humidity, % |
| • | Soil Temperature |