Question

how are nutrients in the soil replenished?​

Answer 1

Answer:

When fertilisers and manures are added to the soil in the fields, then the soil gets enriched with nutrients like nitrogen, phosphorus and potassium, etc. The crop plants can then grow well in this soil.

Answer 2

Answer:

The plants absorb all the essential nutrients like potash, phosphates, nitrates and other nutrients from the soil. These nutrients will be deposited in the plants. After plants are cut down or due to maturity has fallen down on the surface of the soil. The plants get decomposed and the same nutrients get back to the soil — a Natural process of nutrients replenished in the soil.