true soil

true soil

[′trü ′sȯil]
(geology)

true soil

The upper layer of soil.
References in periodicals archive ?
PHB is a true soil to oil CBD company that launched in 2014.
Soil borne pathogens may be Euedaphic pathogens that are true soil organisms such as Bacillus anthracis, Clostridium botulinum, Listeria monocytogenes, Francisella tularensis and Yersinia enterocolitica, etc.
We could only hope that taking control measures for these online violence and insurgence will prevent them from expanding their influence and realizing into battle fields on true soil and with real lives put at stake.
While technically not a true soil until we find organic material or evidence of life within Martian surface material, as a soil scientist I'm willing to expand the concept of soil to include the surface material on Mars that isn't rock.
In reality, true soil chronosequences are rare, if not non-existent, as soil formation factors vary over small distances and through time.
If the sample does not accurately represent the true soil conditions, the test results will be misleading.
A soil profile is an exposed, two-dimensional slice of soil that includes the different soil layers (horizons) from the natural organic layers on the surface to the parent material or other layers beneath the solum (true soil).
The lack of a true soil conservation discipline and the fact the soil conservation community was forced to draw many, if not most, of its employees from agricultural colleges produced a movement within 15 to 20 years that some would consider out of step with where Bennett and his colleagues started.
Based on this it is expected that the calculated microbial P in the 5-10 cm depths may have been overestimated and that under dung may be an underestimate of the true soil microbial R although the depths sampled and manure applications were much greater than in the current experiment.
Bureau of Land Management (BLM), your hosts have had to pay for an official environmental assessment that objectively describes your destination: "The environment for the proposed action contains no true soils; surface or ground water; vegetation; wildlife; threatened or endangered species; wild horses; paleontology; solid or hazardous waste material; wilderness; or cultural resources." The most prominent words on your admission ticket read, "You voluntarily assume the risk of serious injury or death by attending."