Hostname: page-component-84b7d79bbc-x5cpj Total loading time: 0 Render date: 2024-07-28T02:27:23.791Z Has data issue: false hasContentIssue false
  • English
  • Français

A contribution to the study of the infertility of the subsoil

Published online by Cambridge University Press:  27 March 2009

C. R. Van Der Merwe
C. R. Van Der Merwe
Affiliation:
(Division of Chemistry, Pretoria.)
Get access Rights & Permissions [Opens in a new window]

Extract

Although the infertility of the subsoil in humid, semi-arid and arid regions has received much attention from investigators in Europe and America, in South Africa, as far as the writer is aware, no such work has been done.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 16 , Issue 4 , October 1926 , pp. 507 - 521
Copyright
Copyright © Cambridge University Press 1926

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

(1)Alway, F. G., McDole, G. R. and Rost, C. O. (1917). The Loess soils of the Nebraska portion of the Transition Region: VI. The Relative “Rawness” of the Subsoils. Soil Science, 3, 9.Google Scholar
(2)Cameron, J. (1904). Characteristics of Rhodesian Soil. Proc. Rh. Sci. Ass. 4, 52.Google Scholar
(3)Du Toit, H. S. (1912). Dry farming. Farmers' Bulletin No. 130, Pretoria.Google Scholar
(4)Hall, A. D. (1904). The Soil. 2nd ed.London.Google Scholar
(5)Hall, A. D. (1904). Mechanical Analysis of Soils, etc. Jour. Chem. Soc. 85, 950.Google Scholar
(6)Hall, A. D. and Russell, E. J. (1912). Soil Surveys and Soil Analyses. Journ. Agr. Sci. 4, 182.Google Scholar
(7)Hilgard, E. W. (1910). Soils, Their Formation, Properties, etc. New York.Google Scholar
(8)Lipman, C. B. (1917). Discussion and Correspondence: On the “Rawness” of Subsoils. Science, N.S. 46, 288.Google Scholar
(9)Malherbe, I. de V. (1915). Zur Frage der Unproduktivität des Unterbodens in Humiden Gebieten. München.Google Scholar
(10)Marchand, B. de C. (1919). Fertilisers. S.A. Journ. of Industries, 1918. Bulletin No. 19, Pretoria.Google Scholar
(11)Marchand, B. (1920). Representative Transvaal Soils, I. The Koedoespoort Red Loam. Journ. of Agric. of the U. of S. Africa, 1, 722.Google Scholar
(12)Marchand, B. (1924). On Some Physical Properties of Transvaal Soils. Journ. Agr. Sci. 14, part 2, 151.Google Scholar
(13)McMiller, P. R. (1919). Some Notes on the Cause of the Unproductivity of “Raw” Subsoils in Humid Regions. Soil Science, 7, 233.Google Scholar
(14)Morison, C. G. T. and Doyne, H. C. (1914). Ferrous Iron in Soils. Journ. Agr. Sci. 6, 97.CrossRefGoogle Scholar
(15)Morison, C. G. T. and Doyne, H. C. (1903–4). Review: Characteristics of Rhodesian Soil. Rhod. Agric. Journ. 1, 66.Google Scholar
(16)Schwarz, E. H. L. (1907). Agricultural Geology. Natal Agric. Journ. 10, part 2, 933.Google Scholar
(17)Stewart, C. (1923). Climate, Meteorology and Rainfall. Official Yearbook of the U. of S. Africa, 6, 53.Google Scholar
(18)Stoklasa, J. (1925). Aluminium in Organic Life. Intern. Review of Sci. and Pract. of Agric. 3, No. 3, 663.Google Scholar
(19)Van Der Merwe, C. R. (1924). On the formation of Soil from the Diabase in the Central Transvaal. S.A. Journ. of Sci. 21, 235.Google Scholar
(20)Vipond, H. J. (1911). Manurial Experiments on Maize. Agric. Journ. of the U. of S. Africa.Google Scholar
(21)Vipond, H. J. (1913–1914). Annual Report; Division of Chemistry. Union Dept. Agric.Google Scholar
(22)von Nostitz, A. (1914). Die Fruchtbarkeitsverhältnisse verschiedenen Schichten eines Bodenprofils. Landwirtschaftliche Jahrbücher, 47, 113.Google Scholar
(23)Watt, R. D. (1909). Meaning and Value of the Chemical Analysis of Soils. Transvaal Dept. Agric. Farmers' Bulletin, No. 16. Pretoria.Google Scholar