Marion Calmer, Calmer Corn Heads, introduces the world's first 12 inch row corn head.

Stine Seed had approached the company a short time ago and challenged them company to produce a 12 inch row corn head. Stine is developing special genetics for narrow rows and ultra-narrow row corn.

In the 1990s, Calmer Corn Heads was the first company to produce a 15 inch corn head.