Question

rotation of crop should be done​

Answer 1

Answer:

very profitable and good crops

Explanation:

each crop uses more of some nutrients and less of others farmers therefore change their crop in each season so that the soil is not depleted of any particular nutrient this is called crop rotation for example for rice uses of large amount of Nitrogen from the soil this nitrogen can be naturally replenished if the next crop grown is that of a legume like P or groundnut rhizobium are present in the nodules of roots of leguminous plants that can fix atmospheric nitrogen to form water soluble that the next wheat and the soil crops