The practice of growing leguminous and non leguminous crops alternately in the field is called crop rotation. This process enriches the soil with _____________nutrient. *
1 point
Nitrogen
Phosphorus
Potassium
Magnesium
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Answers
Answer:
All of the above
Cultivation of cereals followed legumes in a cultivated soil is called crop rotation. In this, Legumes have bacteria on nodules which are on the roots of the plant. The bacteria on the nodules takes nitrogen from the air and fixes it into the soil, so that other plants that require nitrogen can use it as well. Farmers use soybeans and other legumes in rotations with grass crops such as corn or wheat. Grass crops are unable to take their own nitrogen from the air so they either need the nitrogen in the soil that the legumes provide for them in a crop rotation or they need a chemical fertilizer containing nitrogen.
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