Azolla is used as a biofertilizer because it
Azolla is used as a biofertilizer because it
- A
Multiplies very fast to produce massive biomass
- B
Has association of nitrogen-fixing Rhizobium
- C
Has association of nitrogen-fixing cyanobacteria
- D
Has association of mycorrhiza
Similar Questions
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?
Which of the following is non-symbiotic biofertilizer
Which of the following is non-symbiotic biofertilizer
- [AIPMT 1998]
Crop rotation is carried out for
Crop rotation is carried out for
If wheat field is inoculated with Rhizobium
If wheat field is inoculated with Rhizobium
Which organisms are used to increase thesoil fertility ?
Which organisms are used to increase thesoil fertility ?