Question

What is the advantage of using green manures like legumes and clover?

• A. They help to destroy the weeds in crop fields.
• B. They break up compact soil.
• C. They absorb atmospheric nitrogen and release nitrogen to soil through roots
• D. They have deep roots, which help to loosen the soil

Answer 1

The correct option is C

They absorb atmospheric nitrogen and release nitrogen to soil through roots

Green manures like the legumes and clover have the ability to grab nitrogen from the air and eventually release it into the soil through their roots. They increase crop yield.