Question

Why is fern Azolla frequently grown with the rice crop?​

Answer 1

Answer:

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In Asia, Azolla is the most commonly used green manure for rice crop, due to its high growth rate, nitrogen-fixing capacity and ability to scavenge nutrients from soil and water. The fern doubles its biomass in 2–5 days under ideal environmental conditions (Watanabe et al. 1989).

Answer 2

Answer:

In Asia, Azolla is the most commonly used green manure for rice crop, due to its high growth rate, nitrogen-fixing capacity and ability to scavenge nutrients from soil and water. The fern doubles its biomass in 2–5 days under ideal environmental conditions (Watanabe et al. 1989

Explanation:

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