Distribution of Macro‐ and Micronutrients in Soil Profiles Developed on Lithosequences and under Biosequences in Northern Greece

Apostolakis, C. G.; Douka, C. E.

doi:10.2136/sssaj1970.03615995003400020031x

Cited by 6 publications

(2 citation statements)

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“…In FD soils there is generally a steady fall in extractable content of most trace elements from the surface downwards (e.g. Swaine & Mitchell 1960;Apostolakis & Douka 1970;Follett & Lindsay 1970). In poorly drained soils, on the other hand, there is often, in addition to high extractable levels of some elements at the surface, a marked increase in extractability, occasionally of quite different elements, in the lower gleyed horizons (Swaine & Mitchell 1960).…”

Section: Forms Of Occurrence Of Mobilised Trace Elementsmentioning

confidence: 99%

Location of trace elements in soil profiles: total and extractable contents of individual horizons

Berrow¹,

Mitchell²

1980

Transactions of the Royal Society of Edinburgh: Earth Sciences

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Total contents of 29 trace and major elements and extractable contents of 20 elements were determined in the horizons of 4 profiles, 2 freely drained and 2 very poorly drained, of Scottish soils on drifts of basic igneous or granitic origin. The probable behaviour of other elements is suggested in the light of the results obtained. It is shown that in the course of pedological weathering, many elements are mobilised and become extractable by relatively weak reagents such as ammonium acetate (when readily exchangeable), dilute acetic acid (when less readily exchangeable or acid-soluble) or EDTA (when chelated or exchangeable). The forms in which different elements occur in the different horizons are assessed. In the surface horizons rich in organic matter many elements, such as Co, Ni, Fe, V, Cu, Cd, Sn and Pb, appear to occur mainly in chelated form; fewer, particularly Mn, are only in exchangeable form with plant uptake being largely responsible. Lower in the profiles the most common forms are acetic acid-soluble or, in gleyed horizons, exchangeable. In these horizons the degree of mobilisation is greater than in the corresponding freely drained horizons, the effect being most apparent for elements in readily weathered minerals.

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Section: Forms Of Occurrence Of Mobilised Trace Elementsmentioning

confidence: 99%

Location of trace elements in soil profiles: total and extractable contents of individual horizons

Berrow¹,

Mitchell²

1980

Transactions of the Royal Society of Edinburgh: Earth Sciences

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“…Therefore, a more strongly developed profile would be expected from coniferous forests than deciduous forests in similar environments during the same length of time. Apostolakis and Douka (1970) found that available soil phosphorus differs little among tree species, but is in greater quantities than prairie soils. Albaqualfs are more strongly developed and have higher accumulations of available phosphorus than Aquolls (Smeck and Runge, 1971;Tembhare, 1973).…”

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confidence: 96%

Pedogenic continua of a Mississippi River terrace system

Madenford

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High terrace systems of the Mississippi River are pri marily late Pleistocene to Recent in age (Trowbridge, Williams, Frye, and Swenson, 1941), evidenced by a nonloess surface. However, much of the sediments comprising the terraces appear to be from glacial sources which have been texturally modified with respect to sortation and sedimentation processes. Inter pretation of Minnesota pleistocene will provide insight to understanding terrace stratigraphy. Late Wisconsin history is complex at the Mississippi River head where the sediments were derived. Reasonable inter pretations can be made from lowland ice lobes with distinctive texture, color, and stone content, which are interrelated stratigraphically with proglacial lakes and channel sediments. Several ice lobes invaded Minnesota from two major low lands, the Lake Superior bedrock basin to the east and Red River Valley on the west. The Superior Lobe underwent four major advancement cycles and produced a till of a distinct red color derived from red shales and sandstones of the Lake Superior basin (White, I966). The basin had been scoured to a depth of 1000 feet below sea level in early Wisconsin time (Wayne and Zumberge, I965). The Red River Valley contained the Des Moines Lobe which extended into central Iowa. Associated with it was the St. Louis Lobe which extended eastward, ap 8 alluvial sediments in the Mississippi River valley. Generally the highest terrace also represents the earliest (Khangarot, Wilding and Hall, 1971). The terrace of greatest elevation is characterized as having a high percentage of clay. A "claystone bounder" is noted as capping a terrace deposit by Bicker, Dinkins, Williams and McCutcheon (I966). Series Development Terraces containing Zwingle soils have been mapped as other series in previous soil surveys. Loess, terrace, local alluvium and residual materials have at various places been mapped at the terrace location. Figure 1 outlines one tribu tary which has been mapped in the Clinton Co. survey (Steven son, Brown, Corson and Howe, I9I8). The gray Zwingle soils are mapped as Calhoun silt loam and Wabash silt loam (colluvial phase). The adjacent loess mantled terrace is designated as Lindley silt loam. Major Zwingle deposits were generally designated as Calhoun silt loam. However, one terrace in southern Clinton Co. is included with adjacent till soils as Carrington silt loam. This deposit is small and difficult to delineate from the uplands. Further south in Lee Co. the survey was in progress with Stevenson (Stevenson, Brown, Sar and Corson, 1918) also in charge. Terrace deposits were less predominant than in Clinton Co. resulting in their delineation as two loess soils, the Lindley loam and Memphis silt loam, and one residual soil.

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Total concentrations of Mn, Zn and Cu in certain forest soils in Greece

Nakos¹

1983

Plant Soil

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Distribution of Macro‐ and Micronutrients in Soil Profiles Developed on Lithosequences and under Biosequences in Northern Greece

Cited by 6 publications

References 0 publications

Location of trace elements in soil profiles: total and extractable contents of individual horizons

Location of trace elements in soil profiles: total and extractable contents of individual horizons

Pedogenic continua of a Mississippi River terrace system

Total concentrations of Mn, Zn and Cu in certain forest soils in Greece

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