Holliday, V. T. and Gartner, W. (2007). Methods of soil P analysis in archaeology. J Archaeol Sci 34 (2). Vol 34(2), pp. 301-333.
 Title The title of the publication or report |
Methods of soil P analysis in archaeology | ||||
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Issue The name of the volume or issue |
J Archaeol Sci 34 (2) | ||||
Series The series the publication or report is included in |
Journal of Archaeological Science | ||||
Volume Volume number and part |
34 (2) | ||||
Page Start/End The start and end page numbers. |
301 - 333 | ||||
Biblio Note This is a Bibliographic record only. |
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Publication Type The type of publication - report, monograph, journal article or chapter from a book |
Journal | ||||
Abstract The abstract describing the content of the publication or report |
It is suggested that although a wide variety of methods have been developed in both soil science and archaeology to extract and measure soil phosphorus (P), resulting in a tremendous amount of data and a wide array of interpretations, there is also considerable confusion over appropriateness of methods and terminology. The primary purpose of the paper is to address these issues by clarifying soil P analyses. Anthropogenic additions of phosphorus to the soil come from human refuse and waste, burials, the products of animal husbandry in barns, pens, and on livestock paths, or intentional enrichment from soil fertilizer. Once added to the soil, phosphorus in its common form as phosphate is stable and generally immobile in soils. Soil P comes in many forms, organized for the purposes of the paper on the basis of extraction and measurement procedures as (1) extraction for available P (Pav); (2) portable field techniques (the spot test or ring test); (3) chemical digestion of a soil sample for total P (Ptot); (4) extractions of inorganic P (Pin) for fractionation studies and extractions to look at individual compounds of P; (5) measurements of organic P (Porg); and (6) extractions for total elemental analysis. To compare the suitability of various extractants as the `best' indicator of human input and activity the authors subjected samples from three very different North American archaeological sites (Lubbock Lake, TX; Hulburt Creek, IA; British Camp, WA) to four methods of soil P extraction: perchloric acid digestion (Ptot), sulfuric--nitric acid extraction Ptot), hydrochloric acid extraction after ignition (Pin), and citric acid extraction (Pav). Further, methods of measurement were compared via colorimetry vs. Inductively Coupled Plasma (ICP) spectrometry, and the two methods of supposed `total P' were both measured via ICP. In general, the stronger extractants yielded more soil P, but the result are not clear-cut. Likely variables include the intensity of occupation, nature of the parent material, and postdepositional weathering (for example, the addition of dust). | ||||
Year of Publication The year the book, article or report was published |
2007 | ||||
Locations Any locations covered by the publication or report. This is not the place the book or report was published. |
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Source Where the record has come from or which dataset it was orginally included in. |
BIAB
(The British & Irish Archaeological Bibliography (BIAB))
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Relations Other resources which are relevant to this publication or report |
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Created Date The date the record of the pubication was first entered |
22 Jan 2007 |
