Microbes In Human Welfare Question 41

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

Options:

A) Dichanthlum annulatum and Azolla pinnata

B) Crotalaria juncea and Alhagi maurorum

C) Calotropis procera and Phyllanthus niruri

D) Saccharum munja and Lantana camara

Show Answer

Answer:

Correct Answer: B

Solution:

Crotalaria juncea and Alhagi camelorum are used as green manure in crop fields and sandy soils because these plants, when grown, replenish the soil with sufficient nutrients and nitrogen content after its usage by the crop plant.

So, the correct option is ‘Crotalaria juncea and Alhagi camelorum’.