Azolla is used as biofertilizer as it has
Azolla is used as biofertilizer as it has
- A
Rhizobium
- B
Cyanobacteria
- C
Mycorrhiza
- D
Large quantity of humus
Similar Questions
Which is correct
Which is correct
- [AIPMT 1994]
Which disease is caused in children due to excessive use of nitrate fertilizers
Which disease is caused in children due to excessive use of nitrate fertilizers
Consider the following statements about organic farming
$I.$ Organic farming promotes the use of crop rotations and cover crops and encourages balanced host/predator relationships
$II.$ Integrated pest and weed management and soil conservation systems are valuable tools on an organic farm
$III.$ Organic farming protects the environment, minimize soil degradation and erosion and decrease pollution
Which of the statements given above are correct?
Consider the following statements about organic farming
$I.$ Organic farming promotes the use of crop rotations and cover crops and encourages balanced host/predator relationships
$II.$ Integrated pest and weed management and soil conservation systems are valuable tools on an organic farm
$III.$ Organic farming protects the environment, minimize soil degradation and erosion and decrease pollution
Which of the statements given above are correct?
Green manure plants belong to
Green manure plants belong to