Yes, in the case of biofertilizers and Certain worm castings, cyanobacteria . Which are valuable fertilizers that contain lots of Bacteria that help the plants absorb more nutrients.
Yes we can.
Remember Agricultural science is an aspect of science that deals with rearing of animals, planting of crops and cultivation of land for man's use.
Have you had of Agricultural Microbiology, it's the study of those microbes that affect or improves the life of plants and animals.
Majority of our Antibiotics are gotten from plants, for example Penicillin and also there are some microorganisms that affect the growth of plants and animals.
For example Lassa fever, a disease that affects human beings through contaminated food are mainly from rats.
There are diverse ways in which microbiology can be applied to science.
Thanks
Yes we use microbiology in agriculture because it helps us like microorganisms help to improve field. In mutualism the creat a relationship. They do nitrogen fix for plant. Also use as a biofertilizer which improve plant growth as well as land growth. Also decrease the need of chemical fertilizer