Why micro organisms are essential for agriculture ?

Why do micro organisms respire anaerobically ?

What is organic agriculture?

How micro organisms are useful in the field of medicine ?

Why is atmosphere essential for life on earth?

Micro organisms are measured in ……………. .

Light is essential for life. Why?

The organic horizon is generally absent from agriculture soils because tilling e.g. plowing, buries organic matter. Why is an organic horizon generlly absent in desert soils?

Why is reproduction essential for organisms?

The organic horizon is generally absent from agricultural soils because tilling, e.g., plowing, buries organic matter. Why is an organic horizon generally absent in desert soils?