Pesticides--audio programs |
| All audio programs are 60 seconds long and 125 to 250 kilobytes. |
| Bt (Bacillus thuringiensis) (7/20/99) |
| Fungicidal soap spray (6/16/00) |
| Herbicides (7/28/00) |
| Nematodes (9/19/00) |
| Nontoxic methods (1995) |
| Soap spray (4/27/00) |
| Sprayers (6/22/00) |