Write four advantages of using microbial incoulants in farming.

Explanation

i. Microbial inoculants are either sprayed on seeds before showing them or can be released into plants.
ii. Microbes in the inoculants, supply nutrients and help in plant growth. They also imporve the quality of food.
iii. A solution containign Azotobacter and artificial nitrogenases is used in organic farming.
iv. Soil pollution caused due to chemical fertilizers can be prevented using such microbial inoculants.