The limiting factor in nitrification of soil is

Options

A. Soil nature (pH)
B. Light
C. Temperature
D. Air

Answer

A

Explanation

Nitrifying bacteria are chemoautotrophs and are benefited by utilizing energy in oxidation which is used in chemosynthesis. At soil temperature 30 – `35^(@)`C in alkaline soil and with sufficient moisture and aeration the activity of ammonifying and nitrifying bacteria is found to be maximum.