soil profile

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  • noun

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a vertical section of soil from the ground surface to the parent rock

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References in periodicals archive ?
Since the ground is already thawed in spring, most of the moisture and nitrogen seep into the soil profile, adding to the total nitrogen content.
Mukuru recommended soil preparation by vertical tillage to leave a uniform, unrestricted soil profile, promoting maximum root development and increased yields.
3] concentrations in the soil profile increased exponentially with soil depth under normal tillage conditions, which can be described by the following formula:
However, Hu, Shao Han, Reicherdt, and Tan (2010) indicated that while most of the efforts applied to soil moisture temporal stability analysis have been focusing on the soil surface layer, few studies have evaluated the soil profile given the difficulty of monitoring soil moisture in depths and at various points in space.
Unlike the area under agriculture (ATA), in which the Na was positively correlated with OM, CEC, K and EC in the superficial layers of the soil profile, in the area thinned in savanna system (ASV), this element showed negative correlation with the others, indicating a situation of antagonism with greater availability in the lower layers, which can be explained by the displacement of exchangeable Na to the soil solution through exchange reactions promoted by the higher concentration of [Mg.
Morphologicall characteristics of soil profiles in the study area is depicted in table 1.
The NO3-N is highly mobile in soil and can easily leach down the soil profile (Sahrawat, 1982).
The goal is to place the sensor in a location that has the soil profile and characteristics that represents an "average" of the entire block.
The distribution of kaolinite in the soil profile is relatively stable although some abnormities can be observed.
Successful groundwater banking depends on a high rate of water transmission through the soil profile and into the aquifer below.
2011) during the dry season has been facing serious difficulties due to the incipient concern on the effects of the various ions leaching into the tropical soil profile (HARRIS; URIE, 1983; JALALI et al.
Salt concentration and accumulation in a soil profile affects soil physical and chemical properties such as osmotic pressure, infiltrability, and hydraulic conductivity and leaves behind such effects as to disrupt or completely stop growth and development of most crop and horticultural plants.
It is terribly disruptive to the natural soil profile that has taken millennia to develop into a milieu that supports a delicately balanced ecosystem.
This region of the soil profile, which typically has not been sampled by other researchers investigating carbon sequestration levels, is below the tillage zone and is therefore more stable over time.
Historically, Adelaide Resources' exploration on the Eyre Peninsula Project employed calcrete geochemistry to define gold anomalies, a technique that involves sampling and assaying of carbonate commonly present in the soil profile.