1) Fill in the blanks:
The largest source of nitrogen on our planet is the __________, in the form of__________. However, planets can only use nitrgen after it is converted to ________________.
2) Describe the different chemical processes by which useful nitrogen is introduced into or out of soil:
Process Starts with.... Ends with....
Nitrogen fixation (by bacteria) ___________________ __________________
Ammonification (by bacteria) ___________________ __________________
Denitrification (by bacteria) ___________________ __________________
The largest source of nitrogen on our planet is the __________, in the form of__________. However, planets can only use nitrgen after it is converted to ________________.
2) Describe the different chemical processes by which useful nitrogen is introduced into or out of soil:
Process Starts with.... Ends with....
Nitrogen fixation (by bacteria) ___________________ __________________
Ammonification (by bacteria) ___________________ __________________
Denitrification (by bacteria) ___________________ __________________