In what forms does nitrogen exist in soil?

Question

In what forms does nitrogen exist in soil?

Answer 1

Nitrogen occurs naturally in many forms. In the soil, it exists in two major classes of compounds:

Organic nitrogen, such as proteins, amino acids, and urea, including nitrogen found within living organisms and decaying plant and animal tissues.

Inorganic nitrogen, including ammonium (NH4+), ammonia gas (NH3), nitrite (N02), and nitrate (N03).

Answer 2

IT EXISTS IN THE FORM OF NITRATE (NO2)