Question

Why do farmers crow leguninous crops after harvesting of cereals

Answer 1

Answer:

When the cereal crops like rice, wheat, maize are grown in the soil, it uses up a lot of nitrogenous salts from the soil.

These nitrogen compounds go into the soil and make it more fruitful. After the leguminous plants utilize some of the nitrogen compounds, the rest of it is left in the soil to enrich it .

Answer 2

Farmers grow leguminous crops after harvesting of cereals

Explanation:

• When cereal crops are grown such as rice, wheat, maize etc. they use up the nitrogenous salts from the soil.
• Planting a leguminous plant will restore nitrogen in soil and when a crop is grown there is an increase in food grain production.
• These plants have nitrogen fixing bacteria in root nodules that fixes nitrogen in the soil , for example Rhizobium.
• Leguminous plants pea, plants, soyabean etc.