soft, rich in organic matter conducive to plant growth

a tone or quality that is gentle and soothing

एक स्वर या गुणवत्ता जो नरम और सुखदायक हो

English Usage: The mellow soil of her voice made everyone feel at ease.

Hindi Usage: उसकी आवाज़ की नरम मिट्टी ने सभी को सहज महसूस कराया।