residual soil

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Related to residual soil: alluvial soil
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Noun1.residual soil - the soil that is remaining after the soluble elements have been dissolved
dirt, soil - the part of the earth's surface consisting of humus and disintegrated rock
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References in periodicals archive ?
When we're done cleaning it, then we extract the device and we look for residual soil."
Granite residual soil is a soil-like decomposed granite with weathering grades of VI, V, and IV.
[15] observed the positive impact on residual soil fertility when crops are grown as inter/relay cropping system.
Therefore, the identification test results indicate that the superficial residual soil should have similar USPF characteristics.
where [theta]: soil water content, [[theta].sub.r]: residual soil water content, and [eta]: total soil porosity.
Allied to this, the increase in the dose of these herbicides promoted by the use of rice cultivars with higher levels of tolerance can exacerbate the problem of residual soil.
Before planting, fields were sprinkler-irrigated to leach residual soil NO[sub.3]-N so that all trials were conducted with low background soil N availability.
Without inorganic N, humic acid could not add to soil N reservoir over control treatments but integration of both N and HA significantly improved residual soil N which would better affect soil fertility status for the succeeding crops.
The residual soil NO3-under highest level of N (irrespective of splits) also led to a lower crop N recovery.
In either scenario, the concentration of extractable Cu in the residual soil would be depleted.
Given the context described previously, this study investigated, via geotechnical laboratory tests, the susceptibility to accelerated erosion of cuts in residual soil profiles in some highways and local secondary roads of the city of Ouro Branco, Alto Paraopeba, state of Minas Gerais, southeastern Brazil.