Distribution of Available Manganese in Kentucky Soils1

Sims, J. L.; Duangpatra, Piya; Ellis, J.; Phillips, R. E.

doi:10.1097/00010694-197905000-00003

Cited by 14 publications

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“…This might be one of the reasons why only small amounts of zinc are recovered from the organic fraction of dense soils rich in C^ using the K 4 P 2 O 7 extracting method. Many authors have reported an increase in Zn 0IJ content along with increasing pH (Iyengar et al, 1981;Shuman, 1986;Sims et al, 1979;Sims & Patrick, 1978). In the present study, no significant influence of soil pH on the content of Zn bound with organic matter was noted, similar to the finding of Shuman (1985).…”

Section: Resultssupporting

confidence: 87%

Influence of soil properties on the distribution of zinc in polish soils

Bogacz¹

1993

Geomicrobiology Journal

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In 49 soil samples, total zinc was distributed mainly among and residual Zn (55.2%) fractions. Water-soluble Zn and nonspecifically ad sorbed, exchangeable Zn, specifically adsorbed, exchangeable Zn, and organicall bound zinc fractions contained on average 1. 1, 2.4, 7.4, and 12.8%, respectively, of this microelement. Correlations were sought between soil factors such as pH, sorptiv capacity, fines and colloidal particles, organic matter, and concentrations of Zn in th various fractions. Acid soils contained a greater share of water-soluble and nonspecifically adsorbed, exchangeable Zn, while those with neutral pH contained a greater share of specifically adsorbed Zn, Mn-and Fe-bound Zn, and residual Zn. Higher amounts af fines and colloidal particles correlated with lower amounts of non specifically and specifically adsorbed, exchangeable Zn and at the same time with higher amounts of Zn bound to manganese and iron oxides and immobilized Zn. The toxicity of Zn in soil, which may be taken up by plants and enter waters, represents a real danger in the case of acid soils low in fines and colloidal particles. This pertains particularly to soils near potential sources ofZn contamination.

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Section: Resultssupporting

confidence: 87%

Influence of soil properties on the distribution of zinc in polish soils

Bogacz¹

1993

Geomicrobiology Journal

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“…Added Mn was mostly distributed among fractions considered less available to plants (Goldberg and Smith, 1983;Sims et al, 1979). In the nonautoclaved soils fertilised with Mn, weakly adsorbed Mn decreased, while carbonate-bound Mn and Mn oxide increased with time (Fig.…”

Section: Effects Of Temperature On the Distribution Of Manganese Amonmentioning

confidence: 99%

Effects of temperature on extractable manganese and distribution of manganese among soil fractions

Tong

Rengel

Graham

1995

Communications in Soil Science and Plant Analysis

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Fertiliser manganese (Mn) does not have good residual value in calcareous soils in southern Australia. The interaction of biotic and abiotic factors determining availability of fertiliser Mn is not well understood. Effects of autoclaving and temperature of moist incubation on DTPA (diethylenetriaminepentaacetic acid)-extractable Mn and the distribution of Mn among soil fractions was tested in a sandy, calcareous Wangary soil. In the topsoil receiving 10 or 40 mg Mn/kg, higher incubation temperature (26°C) accelerated a decrease in DTPA-Mn and weakly adsorbed Mn during 0-14 d incubation compared with the lower temperature (15/10°C, 12 h each) regardless of whether soil was autoclaved or not. In a Wangary soil mixed in 1:1 ratio of topsoil to subsoil and supplemented with Mn, higher temperature during soil incubation resulted in higher DTPA-Mn compared to the lower incubation temperature after 36 d. The decrease in weakly adsorbed Mn with incubation time was mainly due to: (i) Mn fixation by chemisorption on calcite, and (ii) Mn oxidation by soil microflora; the higher the incubation temperature, the quicker the fixation. Autoclaving of the soil fertilised with Mn caused the amounts of Mn in various soil fractions to remain almost constant throughout the 24-d incubation period regardless of the incubation 1. Present address:

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“…In another study, Leggett and Argyle (8) reported that air-drying increased the DTPA-TEA-CaCl2-extractable Mn by an average of 35% for three calcareous soils. This extractant, however, has been shown to dissolve the 'oxide-Mn' fraction (14,18,19). The fresh Mn oxides formed after soil drying would be highly redox reactive because of its amorphous nature.…”

Section: Resultsmentioning

confidence: 99%

Manganese extracted from different chemical fractions of bulk and rhizosphere soil as affected by method of sample preparation

Warden¹

1991

Communications in Soil Science and Plant Analysis

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Rhizosphere soils had higher amounts of 'readily soluble', 'weakly adsorbed', 'carbonate bound' and 'specifically adsorbed' Mn, but had lower amounts of 'oxide-Mn', than did bulk soils. This observation was true regardless of whether the comparison was based on values within moist or air-dried treatments. Observed trends in Mn distribution between different soil fractions were qualitatively similar regardless of method of sample preparation. However, there were substantial quantitative differences depending on the method of sample preparation. Air-dried samples increased significantly in the 'oxide-Mn' fraction and decreased in its soluble and adsorbed fractions relative to moist soil samples. There was a significant effect of method of air-drying on the distribution of Mn in rhizosphere samples. Samples that were extracted moist at first and then air-dried accumulated more adsorbed Mn and were depleted in 'oxide-Mn' relative to samples that were air-dried initially. There was a significant rhizosphere x airdrying interaction. Air-drying of some rhizosphere samples resulted in a significant underestimation of the 'readily soluble', 'specifically adsorbed', and 'oxide-Mn' fractions beyond the overall effect of air-drying. The results of this study suggested that soil samples used for Mn analyses be extracted immediately in a moist condition rather than air-dried, particularly for analyses of rhizosphere soil samples.

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Distribution of Available Manganese in Kentucky Soils1

Cited by 14 publications

References 0 publications

Influence of soil properties on the distribution of zinc in polish soils

Influence of soil properties on the distribution of zinc in polish soils

Effects of temperature on extractable manganese and distribution of manganese among soil fractions

Manganese extracted from different chemical fractions of bulk and rhizosphere soil as affected by method of sample preparation

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