The black walnut produces a substance that is toxic, or "allelopathic," to other plants called juglone. Tomatoes and coniferous trees are especially sensitive, so take care with husk and seed ...

Aventis officials said that StarLink corn, approved by the EPA in 1998 for animal feed, is planted on about 325,000 acres of the 73 million that grow corn nationally.

One industry document created by CropLife to promote neonics on seeds highlights a study that found the number of plants that survived the season increased 18 percent, and crop yield increased by 12 ...