Question

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

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

Answer 1

The correct option is A

Crotalaria juncea and Alhagi camelorum

In agriculture, green manure is created by leaving uprooted or sown crop parts to grow on the field so that they improve soil properties. In green manure, quick-growing crops such as Crotolaria juncea and Alhagi camelorum which are cultivated and ploughed into the soil which increases crop yield by 30-50%. Crotolaria juncea, commonly known as Indian hemp is a tropical Asian plant belonging to family Fabaceae. Alhagi camerolum, commonly known as camelthorn belongs to family Fabaceae. So, the correct answer is 'Crotolaria juncea and Alhagi camelorum'.