Ammonium in Soil – Reliable determination by Standard Addition with NH4 - ISE

Nitrogen is essential for plant growth. In soil, it can be present in the form of nitrate, ammonium, or urea. Knowing the nitrogen content of soil and in which form it is present helps selecting the right kind of fertilizer to stimulate plant growth.

This Application Note shows a fast and reliable way to determine the ammonium concentration in soil by using standard addition.