$VAM $ is
Bioinsecticide
Bioherbicide
Endomycorrhiza
Ectomycorrhiza
Aquatic fern which is an excellent biofertilizer
Organic farming includes
$I.$ use of biofertilisers and biopesticides
$II.$ crop rotation
$III.$ locally developed pest resistant varieties
Choose the correct option
Which of the following is non-symbiotic biofertilizer
Why are blue green algae not popular as biofertilisers ?