The five major factors directly affecting the amount of organic ...

[lak]

The five major factors directly affecting the amount of organic matter in the soil are:1.
   Climate
  2. Drainage
  3. Soil texture
  4. Tillage
  5. ___________________ _

 
  Fill in the blank(s) with the appropriate word(s).

Question 2

In ___________________ _, materials in the soil that are resistant to decay and partially intact react
  chemically with nitrogen in the soil to form new compounds that are complex and rich in nitrogen.

 
  Fill in the blank(s) with the appropriate word(s).

[mrphibs]

Answer to Question 1

ANS: Vegetation

Answer to Question 2

ANS: humification

[lak]

Thanks for the timely response, appreciate it

[jackie]

Great answer, keep it coming