Why farmers use leguminous plants? ?

Why do farmers use leguminous crops to provide nitrogen to the soil? ... But with legumes used as cover crops, the gaseous nitrogen feeds the legumes, which in turn produce carbohydrates on which the bacteria “feed”. When the soil is turned in the fall, the cycle reinforces itself

Beas and peas and lentils and clover and related cover crops have a symbiotic relationship with rhizobacteria. The rhizobacteria exists in soil naturally, but not in sufficient quantities to produce the nitrogen that plants need. But with legumes used as cover crops, the gaseous nitrogen feeds the legumes, which in turn produce carbohydrates on which the bacteria “feed”. When the soil is turned in the fall, the cycle reinforces itself.

Explanation:

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in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.