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Studies on the palæozoic soils of North Wales

Published online by Cambridge University Press:  27 March 2009

Gilbert Wooding Robinson
Gilbert Wooding Robinson
Affiliation:
Adviser in Agricultural Chemistry, University College of North Wales, Bangor
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Extract

The soils of North Wales have been studied by the writer during the past four and a half years in field and laboratory. A number of types have been recognised and studied. Further work is necessary to elucidate the properties of the types already identified and to establish fresh types. The purpose of the present paper is to give an account of the soils most typical of the area, namely the soils derived from material of the Pre-Cambrian, Cambrian, Ordovician and Silurian formations in the counties of Anglesey, Carnarvon and Denbigh. In this group are included soils derived from the weathering of local glacial drift, and the associated sandy, alluvial and peaty soils. The soils formed of newer materials, including later Palæozoic soils and Glacial drift of external origin may form the subject of a separate paper.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 8 , Issue 3 , June 1917 , pp. 338 - 384
Copyright
Copyright © Cambridge University Press 1917

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References

Page 338 note 1 A complete survey of Flintshire soils has been made by Mr C. F. Hill, B.Sc., formcrly research student of this oollege. The Flintshire soils are mainly of later ago than those discussed in the present paper.

Page 338 note 2 A Survey of the soils and Agriculture of Shropshire, Shrewsbury, 1912.

Page 342 note 1 For an account of the Glacial Geology of Western Carnarvonshire, see Jehu, T. J., Trans. Roy. Soc. Edin. vol. XLVII, pt. 1, 2.Google Scholar The general outlines of the Geology of North Wales are given in Ramsay’s Geological Survey memoir.

Page 342 note 2 See Tulaïkoff, N. M., this Journal, vol. III, pt. 1, p. 80Google Scholar; Ramann, E., Bodenkunde, p. 521Google Scholar; and Hall and Russell, this Journal, vol. IV, pt, 2, p. 182.Google Scholar

Page 343 note 1 Hall and Russell, this Journal, vol. IV, pt. 2, p. 193Google Scholar; and Russell, , Journal of the Bd. of Agric. 07, 1916.Google Scholar

Page 343 note 2 A large number of the mechanical analyses were performed by my laboratory assistant, Mr H. H. Hughes, whose loyal help is here acknowledged.

Page 343 note 3 Udny Yule, G., Introduction to the theory of Statistics, 1912, p. 147.Google Scholar

Page 355 note 1 Int. Mitt, für Bodenkunde, vol. I, p. 10.Google Scholar

Page 370 note 1 Cf. Jean Jonescu, Agricultura Románaˇ, “Les qualités du sol varient d’apres le climat: par exemple, un terrain sablonneux et brˇlant produit de bonnes récoltes dans la zone montagneuse où il pleut suffisamment, tandis que dans la région des plaines, il ne produit rien.’

Page 374 note 1 This embankment forms the subject of several pages of Thomas Love Peacock’s Headlong Hall.

Page 376 note 1 See Gully, E., Mitt. d. k. Bay. Moorkulturanstalt, vol. III, 1909, pp. 1–38.Google Scholar

Page 376 note 2 Tansley, A. G., Types of British Vegetation, p. 211Google Scholar; W. Bersch, Handbuch der MoorkuUur, p. 11 et seq.

Page 376 note 3 Niedermoor is not used in Weber’s sense as corresponding to Fen, since calcium carbonate is generally lacking from telluric waters in North Wales. Flachmoor would probably be more exact. (See Tansley, loc cit.)

Page 376 note 4 Ramann, Bodenhunde, p. 186.

Page 378 note 1 Atterberg, A., Int. Mitt. für Bodenhmde, vol. I, p. 10.Google Scholar

Page 378 note 2 Rohland, P., Die Tone, Vienna, 1910.Google Scholar

Page 379 note 1 Van Hise, Treatise on Metamorphism, U.S. Geol. Survey Monograph, XLVII.

Page 379 note 2 Atterberg, A., Int. Mitt, für Bodenkunde, vol. III, p. 1.Google Scholar

Page 381 note 1 This Journal, vol. VII, pp. 458–469.Google Scholar

Page 381 note 2 This Journal, vol. IV, pp. 181–223.Google Scholar

Page 382 note 1 Ramann, , Bodenhunde, 1911, p. 543.Google Scholar Steinböden Bind Bodenarten, die sich überwiegend aus wenig zersetzten Gesteinsbruchstücken zusammensetzen.

Page 382 note 2 This Journal, vol. IV, pp. 181–223.Google Scholar

Page 383 note 1 The writer is indebted to Mr E. J. Roberts, research student of this college, for observations on this point.