Subsoil



noun
1.
(soil lying immediately beneath the surface layer) ផ្នែកនៃផ្ទះដែលនៅក្នុងដី, ស្រទាប់ដីក្រោម
ENGLISH MEANING
noun
1.
The bed, or stratum, of earth which lies immediately beneath the surface soil.
verb
1.
(TRANSITIVE) To turn up the subsoil of.