Sentence examples for phases of soil from inspiring English sources

The Soil-Vegetation Maps use blue or black symbols to show the species composition of woody vegetation, series and phases of soil types, and the site-quality class of timber.

We suggest that the additional determination of the phases of landforms and phases of soil series will improve mapping in the future.

Drawing on deposit stratigraphy, soil magnetic parameters, stable carbon isotope composition and radiocarbon dating, three phases of soil erosion are distinguished characterized by distinct surface processes and increasing levels of agricultural land use.

The effect of accelerated erosion on soils is recorded on National Cooperative Soil Survey maps as phases of soil series that reflect the percentage of the original A horizon materials remaining.

Identification depends on knowledge of the original A horizon thicknesses, SOC and fly-ash contents at uncultivated and uneroded sites when determining erosion phases of soil at cultivated and eroded sites.

Our results show that alternating phases of soil formation, hillside denudation, river valley incision and floodplain aggradation have been the major processes active in Lone and Ach valleys throughout the Pleistocene and Holocene.

The objectives of this paper are to evaluate soil organic carbon and fly-ash distribution methods for identifying eroded phases of soils in Illinois and Russia and quantifying the extent of soil loss from erosion.

We study the time-course evolution of Al fractions and species in the solid and liquid phases of soils developed over spoil materials rich in sulfides, situated in the mine dump of As Pontes (NW Spain), over a twenty-year period.

Bioassays for ecotoxicity testing for the same non-target soil organism are not currently available for contaminants that can be present in the liquid, solid or gaseous phase of soil.

The sombric horizon is thus a remnant of an earlier phase of soil formation under a drier climate, which is made visible by differences in decomposition of OM related to subsequent more humid conditions.

A fourth laterally extensive Inceptisol, encompassing the Pleistocene Holocene boundary (PH), represents the major phase of soil development since the Last Glacial Maximum and is inferred to be related to channel entrenchment at the onset of the Younger Dryas.