Fertility of soil is Increased by-

Fertility of soil is measured by its ability to

The fertility of soil is reduced by:

Loss of fertility of soil is called:

Look at the diagram given below and answer the following questions. Soil fertility is increased by bacteria. How?

When the fertility of the soil is lost, it is soil:

The process of increasing fertility of soil by Earthworms is

The process of increasing fertility of soil by Earthworms is

The process of increasing fertility of soil by Earthworms is

The process of increasing fertility of soil by the earthworms is called