Civilsdaily
Environment › SpeciesXExotic/Invasive
Consider the following organisms : 1.Agaricus 2.Nostoc 3.Spirogyra Which of the above is/are used as biofertilizer/biofertilizers?
(a)
1 and 2
(b)
2 only
(c)
2 and 3
(d)
3 only
(B)