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| DOI: | 10.2136/sssaj1976.03615995004000060018x |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/sssaj/pdfs/40/6/SS0400060853
Last checked: 12/07/2016
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Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Rule, J. H.;
Graham, E. R. |
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| Author Affiliation: | Rule: Former Research Assistant; Graham: Professor, Dep. of Agronomy, Univ. of Missouri, Columbia, MO |
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| Title: | Soil labile pools of manganese, iron, and zinc as measured by plant uptake and DTPA equilibrium |
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| Section: | Soil chemistry
Other records with the "Soil chemistry" Section
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| Source: | Soil Science Society of America Journal. Vol. 40, No. 6, November/December 1976, p. 853-857. |
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| Publishing Information: | Madison, WI: Soil Science Society of America |
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| # of Pages: | 5 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/sssaj/abstracts/40/6/SS0400060853
Last checked: 12/07/2016
Notes: Abstract only |
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| Keywords: | TIC Keywords: Analytical methods; DTPA; Extraction; Trifolium repens; Plant response; Festuca pratensis; Iron DTPA
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| Abstract/Contents: | "Labile poles of Mn, Fe, and Zn were masured on soil samples having varying pH levels at both air-dry and field-moist conditions using DTPA. Labile pools of Mn and Fe varied with respect to both pH and soil moisture. The effects of soil moisture and pH on Zn labile pools were slight. Air-dry soil samples at three pH levels were labelled with carrierfree 54Mn 59Fe and 65Zn and ladino clover (Trifolium repens) and tall fescue (Festuca elatior, var. Ky 31) were grown on each in a growth chamber. Uptake of the stable isotopes and radioisotopes was determined and the data were used to calculate soil labile pools of each element. Soil labile pools of Mn measured by ladino clover uptake were very similar to the values obtained from DTPA equilibration. Values for Fe labile pools were higher and generally in disagreement with DTPA-measured pools. Plant measured values for Zn varied depending on soil pH with respect to DTPA-measured pools. Tall fescue-measured soil labile pools of Mn, Fe, and Zn were calculated from uptake data of various combinations of cuttings. At a given pH, Mn labile pools calculated from any of the combinations were remarkably similar, but were lower than DTPA measured pools. Iron and zince labile pools were erratic with respect to both soil pH and cutting used. Uptake data suggested that a single harvest of tall fescue at ground level after a 5-week growing period could be adequate to measure the soil labile pools of Mn, Fe, and Zn, especially if these elements were studied simultaneously." |
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| Language: | English |
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| References: | 14 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Rule, J. H., and E. R. Graham. 1976. Soil labile pools of manganese, iron, and zinc as measured by plant uptake and DTPA equilibrium. Soil Sci. Soc. Am. J. 40(6):p. 853-857. |
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| DOI: 10.2136/sssaj1976.03615995004000060018x |
| Web URL(s):
https://dl.sciencesocieties.org/publications/sssaj/pdfs/40/6/SS0400060853
Last checked: 12/07/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: S 590 .S65 |
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