A water fern which is used as a green manure in rice fields is (a) Salvinia (b) Mucor

Question 1

A water fern which is used as a green manure in rice fields is

(a) Salvinia

(b) Mucor

(c) Aspergillus

(d) Azolla

Question 2

Correct option: (d) Azolla

Explanation:

Azolla has been used as a green manure crop in Vietnam and China for centuries. The ability of Azolla to shade out weeds in wetland rice and taro has been noted by farmers and researchers since the early 20th century

kratos · Answer 1 · 2021-01-29T05:13:11+0000

Correct option: (d) Azolla

Explanation:

Azolla has been used as a green manure crop in Vietnam and China for centuries. The ability of Azolla to shade out weeds in wetland rice and taro has been noted by farmers and researchers since the early 20th century

A water fern which is used as a green manure in rice fields is (a) Salvinia (b) Mucor

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A water fern which is used as a green manure in rice fields is (a) Salvinia (b) Mucor

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