Nitrogen might be the king of yield, but if a corn plant is sulfur deficient ... in late summer would have returned a reading near 30 parts per million (ppm). Today, the number is typically ...

RELATED: NEWS9 Special Assignment: The other 'E' NEWS9’s Jaime Ely toured POET’S Marion Ethanol Production Plant to find ... Sherry says that all parts of the corn are seen as vital.