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Ecosystem question

2003 · Q46
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Ecosystem question

2003 · Q46

NEETBiologyEcosystemMCQ+4 / −1
Which of the following plants are used as green manure in crop fields and in sandy soils ?
  1. A
    Calotropis procera and Phyllanthus niruri
  2. B
    Dichanthium annulatum and Azolla nilotica
  3. C
    Saccharum munja and Lantana camara
  4. D
    Crotalaria juncea and Alhagi camelorum
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