Question

how does soil get replenished naturally

Answer 1

"The plant nutrients like nitrogen, phosphorus and potassium and present in the soil naturally. When the plants are grown, they absorb the nutrients from the soil due to which the amount of plant nutrients in thesoil goes on decreasing. This reducessoil fertility."

Answer 2

Nutrients are replenished by certain different microorganism that are found in the soil or also by the death of certain plants such as the rhizobium bacteria. The decaying plants tend to slowly break down into the basic soilnutrients over a period of time.

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