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Question
Farmers are often suggested to use the following organism in their crop land so as to improve the soil fertility. Explain.
Anabaena
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Solution
The anabaena has the capacity to fix nitrogen in the atmosphere. They are naturally occurring bacteria that fix nitrogen. As a result, they are utilised as biofertilizers in rice fields.
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Match the pairs:
| Column A | Column B | ||
| (i) | Compost making biofertilizer |
(a) | Azotobacter |
| (ii) | N2 fixing biofertilizer | (b) | Mycorrhiza |
| (iii) | Fungal biofertilizer | (c) | Agrobacterium |
| (iv) | Phosphate solubilizing biofertilizer |
(d) | Actinobocteria |
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