Biofertilizers include - Vidyadip

MCQ

Biofertilizers include

A
Cowdung manure and farmyard waste
B
A quick growing crop ploughed back
✓
$BGA$/Anabaena and Azolla
D
All the above

✓

Answer

Correct option: C.

$BGA$/Anabaena and Azolla

c
It’s obvious.

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