A) At present it is not possible to grow maize without chemical fertilizers
B) Extensive use of chemical fertilizers may lead to eutrophication of nearby water bodies
C) Both Azotobacter and Rhizobium fix atmospheric nitrogen in root nodules of plants
D) Cyanobacteria such as Anabaena and Nostoc are important mobilizers of phosphates and potassium for plant nutrition in soil
Correct Answer: B
You need to login to perform this action.
You will be redirected in
3 sec