Question

Why do azolla is grown in paddy fields?

Answer 1

Answer:

As well as its nitrogen biofertilization, Azolla provides a variety of benefits for rice production and grows in a way that is complementary to rice cultivation: [1] The thick Azolla mat in rice fields suppresses weeds. [2] Since Azolla floats at the water surface, it does compete with rice for light and space

Explanation:

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