Question

Write two natural methods and two artificial methods to replenish the nutrients in the fields. Explain them briefly.

Answer 1

Answer:

Natural methods :–

1. By following crop rotation – Plants are grown in cycle of crop plants and leguminous plants.
2. Field fallow – Field is left uncultivated for few years so that the nutrients get replenished.

Artificial methods :–

1. By using fertilizers and manure :– Fertilizers and manure have important nutrients like nitrogen and phosphorus in it.
2. By ploughing leftout plants into the soil.