Which is used for fixing atmospheric nitrogen?

C a C N_{2}

(nitrolim)

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L i_{3} N

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M g_{3} N_{2}

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All of these

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Solution

The correct option is A $C a C N_{2}$ (nitrolim)
For fixing atmospheric nitrogen -nitrolim is used and further $C a C N_{2} + C$ is used as fertilizer.

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Our atmosphere has 78% nitrogen gas. Nitrogen is a critical limiting element for plant growth and production. It cannot be taken directly. Certain bacteria can fix nitrogen from the atmosphere. Which of the following are these?

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Which is used for fixing atmospheric nitrogen?

The correct option is A CaCN2 (nitrolim)For fixing atmospheric nitrogen -nitrolim is used and further CaCN2+C is used as fertilizer.

The correct option is A $C a C N_{2}$ (nitrolim)
For fixing atmospheric nitrogen -nitrolim is used and further $C a C N_{2} + C$ is used as fertilizer.