Home
Class 12
BIOLOGY
The common nitrogen-fixer in paddy field...

The common nitrogen-fixer in paddy fields is

A

Frankia

B

Rhizobium

C

Azospirillum

D

Oscillatoria

Text Solution

Verified by Experts

The correct Answer is:
C
Azospirillum is nitrogen fixing bacteria in paddy fields. It is an associative symbiotic `N_(2)` fixing bacteria. When it is added to the soil it multiply in millions and can supply Kg20 40 − of nitrogen per hectare per season. It also produces growth promoting substance like Indole Acetic acid, gibberellins and promotes root proliferation. It improve plant growth and yield.
Promotional Banner

Similar Questions

Explore conceptually related problems

One of the free nitrogen - fixed in paddy fields is :

A fern commonly inoculated to paddy fields is

Which of following microbe is most active nitrogenj fixer in rice field in India?

Which of the following microbes serve as an important biofertiliser in paddy fields ?

Best biofertilizer for paddy fields is:

Name the aquatic fern commonly used in paddy field as a biofertilizer.

Why are cyanobacteria considered useful in paddy fields ?

Common nitrogenous wastes are