Question

explain the natural method by which lost nutrition in the soil are put back​

Answer 1

Answer:

Natural methods by which lost nutrients are replenished in the soil are:

• Vermi compost can be used as earthworms naturally help in maintaining soil fertility by aeration of soils.
• Growing leguminous plants which contain bacteria Rhizobium that fixes atmospheric N2.

Answer 2

Answer:

Continuous growing of crops makes the soil poorer in certain nutrients. Therefore, farmers have to add manure to the fields to replenish the soil with nutrients.