Which of the following plants are used as green manure in crop fields – McqOptions

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1.	Which of the following plants are used as green manure in crop fields and in sandy soils [CBSE PMT 2003]
A.	Dicanthium annulatum and Azolla pinnata
B.	Crotalaria junecea and Alhagi camelorum
C.	Calotropis procera and Pitylanthus niruri
D.	Saccharum munja and Lantana camara
Answer» C. Calotropis procera and Pitylanthus niruri

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