Question

Farmers grow leguminous crops in alternation With other crop plants to maintain the fertility of soil

Answer 1

Answer:

Scientists feel that growing the legume vegetables at least once in a season will help in increasing soil fertility as they have the capacity to fix atmospheric nitrogen through their root nodules. This reduces the use of chemical fertilisers like urea and ammonium nitrate

Explanation:

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Answer 2

Answer:

Farmers grow leguminous plants in alternation with other crop because the leguminous plants fix the nitrogen in soil through nitrogen fixation and and increase the fertility of soil. The other plant which is grown after it uses the nutrition fixed by the leguminous plants grown before. So the fertility of soil is balanced.