We name different things as colored gold to show and note on high values of them. Why not we call the soil as brown gold because of many services to human life?
"Some predict that if the trend of soil depletion continues, healthy soil could become one of our most rare and valuable resources". Just as brown gold!
Soils are one of the world’s most precious commodities and can be named brown gold!.
It is probably safe to say that without soils there would be no support for life on this planet. The fact that the world’s population is forecast to rise to more than 8 billion by 2025, with a huge increase in demand for food highlights the reason why soils need to be preserved.
The link provides 10 tips for conserving this precious commodity: