| 单词 | subsoil |
| 释义 | subsoil noun[U] uk/ˈsʌb.sɔɪl/us/ˈsʌb.sɔɪl/thelayerofsoilthat is under thesurfacelevel 底土，心土Compare topsoil Soil
subsoil| American Dictionarysubsoil noun[U] us/ˈsʌbˌsɔɪl/earth science thelayerofearthunder thetopsoil(= thelayerofearthin whichplantsgrow) Examplesofsubsoilsubsoil In-row tillage methods forsubsoilamendment and starter fertilizer application to conservation tilled-grain sorghum. From theCambridge English Corpus The soil type was a sandy-loam with a surface horizon underlain by a weakly-developed clayey, mottled and occasionally concretionarysubsoil. From theCambridge English Corpus In their second year of development, most third instars overwintered in thesubsoil(> 250 mm). From theCambridge English Corpus The top soil is about 45 cm in depth and thesubsoilis stony. From theCambridge English Corpus Thesubsoilstrata were similar in all cases. From theCambridge English Corpus Most soils are not fit for the cultivation of millet and sorghum because of impenetrable layers in thesubsoil. From theCambridge English Corpus Pupation occurred in thesubsoiland mean depth differed between sites by 100 mm. From theCambridge English Corpus The authors also propose management and prevention thresholds for tire inflation pressure where the carrying capacity ofsubsoilis used to determine acceptable wheel loads. From theCambridge English Corpus A first step taken by many nations and researchers has been to value the stock and depletion ofsubsoilmineral reserves. From theCambridge English Corpus Overall, the adverse effects ofsubsoilcompaction treatment on the yield and yield components of wheat have persisted for at least four years. From theCambridge English Corpus The data showed that the adverse effects ofsubsoilcompaction on all the soil physical parameters persisted for at least four years. From theCambridge English Corpus Further information is available from thesubsoil, however, mainly from boreholes drilled for water pumping during the second half of the twentieth century. From theCambridge English Corpus One might expect the topsoil to be drier and thesubsoilto be wetter in gaps compared to the understorey. From theCambridge English Corpus If shorter-duration varieties of rabi crops are used, they can reach maturity before the residualsubsoilmoisture is exhausted. From theCambridge English Corpus Although the quality of the available information is uneven, an accurate analysis and filtering of the borehole logs provides a useful database ofsubsoilgeology. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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