Where does this definition of natural soil come from?
This entry for natural soil is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does natural soil appear elsewhere on Lughet?
Yes — natural soil appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.