China has made remarkable progress in strengthening farmland conservation and improving its overall productivity, bolstering ...

In Iowa they call it “black gold” – a fertile blanket covering ... mulch with sand and silt to form a nutrient-rich type of soil called loam. It gave Iowa one of the most fertile soils ...

This has come at the expense of nature, causing 80% of deforestation and 70% of biodiversity loss on land. Soil degradation has reduced the productivity of nearly a quarter of the global land surface, ...