soil horizon

Soil horizons were differentiated from each other within a soil profile according to US Taxonomical Classification (USDA, 1957).

Importing the full set of data tables provided access to a variety of information including source materials, geomorphic settings, grain size analyses, hydrology, soil classifications, soil horizons, erosion, and other properties

Finally, the flow types were compared among the studied soil horizons.

For laboratory analysis, soil samples were collected from the genetic soil horizons. The soil samples were air-dried and sifted through a 2-mm sieve.

It defines the different groups of soil horizons in terms of references, properties, and diagnostic materials; each criterion is quantitative and well differentiated.

Properties of soil horizons, such as the particle size distribution, pH values, CaC[O.sub.3] contents, base saturation and cation exchange capacity were determined using the methods of van Reeuwijk (2002).

One soil pit was dug in each sample plot and mineral soil horizons were determined.

Nevertheless, these three plots were studied to understand SOM stabilization rates and biodegradability because there is a lack of data on the quality and alteration of SOM quality in various climatic environments and different soil horizons.

Much as I loved the intricate illustrations of soil horizons and flower petals that peppered my five-pound textbook, I didn't have the mind for math, and I tripped over lab experiments.

Soil characteristics that may change across a soil series include effective rooting depth, depth to bedrock or hardpan, soil texture and depth of distinct soil horizons.

To reflect the mixing of soil horizons in the calculation of the deep percolation factor, the depth-weighted average of K[sub.sat] for the entire soil profile was used in place of the lowest K[sub.sat] for each profile.