Question

Plants which are used as green manure in crop fields and
in sandy soil
(A) Crotalaria juncea and Alhagi camelorum
(B) Calotropis procera and Phyllanthus niruri
(C) Saccharum munja and Lantana camara
(D) Dichanthium annulatum and Azolla nilotica
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Answer 1

Plants which are used as green manure in crop fields and in sandy soil?

=> Calotropis procera and Phyllanthus niruri