The end-of-season corn stalk nitrate test is a simple, inexpensive tool that can be used to assess the nitrogen (N) status of a corn crop at the end of the growing season. Studies in Delaware, and ...

This is a differential medium. It is used to determine if an organism is capable of reducing nitrate (NO 3-) to nitrite (NO 2-) or other nitrogenous compounds via the action of the enzyme nitratase ...