. Organisms that enrich the nutrient quality of soil are called as


(a)        Organic fertilizers                  

(b)       Yeast

(c)        Biofertilisers                          

(d)       Methanogens

Best Answer

(c)        Biofertilisers are beneficial micro-organisms which on application to seed, root or soil mobilize the availability of nutrients by their biological activity. It also builds up the microflora and soil health in general. Chemical fertilizers have adverse affect on the soil and also cause water pollution causing health hazards for human beings and animals.

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