Sentence examples for soil horizon from inspiring English sources

The resulting ferrous iron (Fe2+) becomes concentrated in a deep soil layer (soil horizon).

Paul Renne inspects a reddened soil horizon between lava flows, a so-called red bole.

Topsoil means the A and E soil horizon layers of the four master soil horizons.

This conclusion is borne out by careful field studies worldwide in which the rate of soil horizon formation is determined.

For the soil scientist studying microbiological processes, ecosystem boundaries may enclose a single soil horizon or a soil profile.

Soil samples were also taken from each soil horizon for physical, chemical and mineralogical analyses.

A disturbed sample was collected from each soil horizon for grain size analysis.

Feo/Fed ratios are high and exceeding 0.6 in almost every soil horizon.

In accordance, this trace fossil would be indicative of the surface soil horizon.

Soil horizon A best explains the previous classification of the forests.

Results showed that the soil profiles with 36-year or longer cultivation durations included the soil horizon arrangement of A B C, while those with 28-year or shorter cultivation durations had the soil horizon arrangement of A C.