Definition of subsoil in English:

subsoil

Line breaks: sub|soil
Pronunciation: /ˈsʌbsɔɪl
 
/

noun

[mass noun]
  • The soil lying immediately under the surface soil.
    More example sentences
    • Wetland creation attempts are often initiated by the removal of upland surface soil materials exposing mineral subsoil strata.
    • Heavy clay subsoil or sandy soil with low fertility must be improved if roses are to be grown successfully in them.
    • When digging out the bed, discard any heavy, tight subsoil and save the topsoil.

verb

[with object] (usually as noun subsoiling) Back to top  
  • Plough (land) so as to cut into the subsoil: to gain maximum benefit from subsoiling this operation needs to be done when the lower levels of the soil are relatively dry
    More example sentences
    • Studies in the past showed that subsoiling clay soil in the spring does not improve cotton harvests.

More definitions of subsoil

Definition of subsoil in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day tortie
Pronunciation: ˈtɔːtiː
noun
a tortoiseshell cat