Which of the following plants is used as green manure in crop fields and in sandy soils?

  • A
    Saccharum munja and Lantana camara
  • B
    Dichanthium annulatum and Azolla nilotica
  • C
    Crotalaria juncea and Alhagi camelorum
  • D
    Calotropis procera and Phyllanthus niruri

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Similar Questions

In which of the following conditions,plants cannot be grown?

Select the incorrect statement from the following options.

Select the correct option:
$(1)$ During $transamination$ / $reductive$ $amination$,an amino group is transferred from one amino acid to the keto group of a keto acid.
$(2)$ $Azotobacter$ / $Clostridium$ are free-living bacteria.

Analogy type questions:
$(1)$ Manganese toxicity : Brown spots surrounded by chlorotic veins : Molybdenum deficiency : ........
$(2)$ Conversion of nitrogen to ammonia : Nitrogen fixation : Oxidation of nitrite to nitrate : ........

Select the correct option for the following matches:
$(1)$ For healthy growth of plants$(a)$ Nitrogen
$(2)$ As a part of vitamins$(b)$ Manganese
$(3)$ In enzymes associated with fat metabolism$(c)$ Cobalt
$(4)$ For the activity of phosphatase enzyme$(d)$ Magnesium

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