Question

Biomass increases when
1.PG
2.PG=r
3.PG>r

Answer 1

3.pg is greater than r

Answer 2

Option 3 is correct ie.  when PG is greater than rHigh clay content Soils commonly have a higher microbial biomass deposition due to the reason that they retain more water and often have more organic carbon.

The type of crops can affect a microbial-type of mass by rotational activity.

It is reported that the residues of legume crops can give growth of microbial biomass due to their greater nitrogen value.