What causes GLEY soil?

What causes GLEY soil?

The chemical reduction of iron and manganese produces the characteristic gley colors. Both gleying and mottling 2 develop if a soil is waterlogged for extended periods of time. Gleying implies uniform coloration while mottling means splotchy coloration. Prolonged waterlogging 2 without aeration produces gleying.

What is GLEI horizon?

Gley soil with very poor drainage and significant peat development on surface often referred to as a peaty gley. The name gley is derived from the Russian words glei = compact bluish-grey. Gleys are widespread throughout Scotland, being developed under conditions of intermittent or permanent waterlogging.

Is GLEY soil good for agriculture?

There are two types in Ireland – surface water gley and ground water gley. In Ireland, the soil you are most likely to find is fertile brown earth – although it is very shallow. It is rich and fertile, hence 64% of the total land mass is used for agriculture.

What does a gley mean?

a sticky clay soil
Definition of gley : a sticky clay soil or soil layer formed under the surface of some waterlogged soils.

What Colour is GLEY soil?

greenish-blue-grey
They exhibit a greenish-blue-grey soil color due to anoxic wetland conditions. On exposure, as the iron in the soil oxidizes colors are transformed to a mottled pattern of reddish, yellow or orange patches.

What is Eluviated horizon?

Eluviation occurs when precipitation exceeds evaporation. A soil horizon formed due to eluviation is an eluvial zone or eluvial horizon.

What is humic gley soil?

Abstract. Humic-Gley soils are an important soil group in Ohio. In some western Ohio counties they comprise 20 to 25% of the upland soils derived from calcareous till. In the lake plain area of northwestern Ohio they are the dominant soil group. These soils have developed under conditions of poor or very poor drainage.

What does Cranreuch Cauld mean?

A low creeping mist, or hoar-frost (called provincially rhyme or cranreugh), in a dead calm, particularly after a tract of rainy weather, is seen to settle, after sunsetting, upon lands of this description.

What is Aglee?

aglee (not comparable) asquint, awry, obliquely, off the straight. irregular, of error, of moral obliquity.

What is eluvial and Illuvial?

In soil science, eluviation is the transport of soil material from upper layers of soil to lower levels by downward percolation of water across soil horizons, and accumulation of this material (illuvial deposit) in lower levels is called illuviation.

What are the 5 master horizons?

The 5 master horizons are represented by the letters: O, A, E, B, and C. O: The O horizon is a surface horizon that is comprised of organic material at various stages of decomposition. It is most prominent in forested areas where there is the accumulation of debris fallen from trees.

What is Gleysolic soil made of?

Gleysolic soils are wetland soils whose morphology is created by the effects of water saturation on soil processes in mineral soil horizons. The g (for gleyed) suffix is applied both to horizons with reddish or grayish mottling present and to horizons with dull, blue grey colours.

What is Cryosolic soil?

Cryosolic soils occur in cold environments where a layer of permanently frozen soil (assigned a z suffix) occurs within the soil profile. In some cases the action of ice causes mixing of the soil horizons but in others the horizons remain undisturbed.

What does Cauld mean?

cauld. / (kɔːld) / adjective, noun. a Scot word for cold.

What does the word Coulter mean?

Definition of coulter : a cutting tool (such as a knife or sharp disc) that is attached to the beam of a plow, makes a vertical cut in the surface, and permits clean separation and effective covering of the soil and materials being turned under.

What does a GLEY mean?

What is Eutric?

The qualifiers Dystric and Eutric are used to indicate the state of exchangeable bases. Dystric, which is derived from the Greek ‘dys’ (bad) and ‘trophae’ (food), and Eutric, which is derived from the Greek ‘eu’ (good) and ‘trophae,’ (IUSS Working Group WRB 2014. 2014. World Reference Base for Soil Resources 2014.

What is Cambisol soil?

Cambisol, one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Cambisols are characterized by the absence of a layer of accumulated clay, humus, soluble salts, or iron and aluminum oxides.