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Question
Identify the organism, which can be used as the best bio-fertilizer?
Identify the organism, which can be used as the best bio-fertilizer?
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Solution
The correct option is D Azolla
Nitrogen is one of the essential elements needed by plants for their growth and Azolla's high nitrogen content makes it an ideal bio fertiliser. Although nitrogen is abundant in the earth's atmosphere, few plants are able to assimilate nitrogen directly from the atmosphere and most plants obtain their nitrogen from complex compounds in the soil. Fertilizes add these to the soil and they may be organic (composed of organic matter) or inorganic (made of simple, inorganic chemicals or minerals).
Azolla
Nitrogen is one of the essential elements needed by plants for their growth and Azolla's high nitrogen content makes it an ideal bio fertiliser. Although nitrogen is abundant in the earth's atmosphere, few plants are able to assimilate nitrogen directly from the atmosphere and most plants obtain their nitrogen from complex compounds in the soil. Fertilizes add these to the soil and they may be organic (composed of organic matter) or inorganic (made of simple, inorganic chemicals or minerals).
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