In paddy fields, _______ serves as an important biofertiliser
$Rhizobium$
$BGA$
$Glomus$
$Frankia$
Which of the following is free living aerobic and nonphotosynthetic nitrogen fixing bacterium
Yield of paddy field can be increased by application of
Organic farming includes
$I.$ use of biofertilisers and biopesticides
$II.$ crop rotation
$III.$ locally developed pest resistant varieties
Choose the correct option
Mycorrhiza is helpful in
Which of the following is used as biofertiliser?
$I.$ Cyanobacteria
$II.$ Yeast
$III.$ Symbiotic bacteria
$IV.$ Free living bacteria
Choose the correct option