Hostname: page-component-78c5997874-fbnjt Total loading time: 0 Render date: 2024-11-08T02:56:36.698Z Has data issue: false hasContentIssue false
  • English
  • Français

Long-Term Effects of Fertilizers and Manure on Soil and Leaves of Cotton in Nigeria

Published online by Cambridge University Press:  03 October 2008

B. W. Bache  and
R. G. Heathcote
B. W. Bache
Affiliation:
Institute for Agricultural Research, Samaru, Nigeria
R. G. Heathcote
Affiliation:
Institute for Agricultural Research, Samaru, Nigeria
Get access Rights & Permissions [Opens in a new window]

Summary

On a site in the Sudan Savanna, chemical properties of soils (except for phosphate) and the composition of cotton leaves were determined after fifteen annual treatments including dung, ammonium sulphate, single superphosphate and potassium chloride, in all combinations of three levels. In the soils dung increased C, N, cation exchange capacity, exchangeable Ca and Mg and pH, and decreased soluble Al and Mn; ammonium sulphate decreased pH, increased soluble Al and Mn, and decreased exchangeable Ca and Mg; potassium chloride had no obvious effects. In the plants dung increased P and reduced Mn; ammonium sulphate reduced Ca and Mg, and increased Mn; superphosphate increased P, Ca and Mg, and reduced K; potassium chloride increased K slightly. The most important results were the ability of ammonium sulphate to acidify the soil, as shown by soil properties and reflected in tissue composition, and the ability of dung to ameliorate these effects. Reduction of crop yield in the presence of adequate nutrient supply seems to have been due to excessive soil acidity.

Type
Research Article
Information
Experimental Agriculture , Volume 5 , Issue 3 , July 1969 , pp. 241 - 247
Copyright
Copyright © Cambridge University Press 1969

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

Adams, F. & Wear, J. I. (1957). Soil Sci. Soc. Amer., Proc. 21, 305.CrossRefGoogle Scholar
Jacob, A. (1958). Magnesium—the Fifth Major Plant Nutrient. London: Staples.Google Scholar
Obi, J. K. (1959). Samaru Tech. Report. 8. Ministry of Agriculture, Northern Nigeria.Google Scholar
Schofield, R. K. & Taylor, A. W. (1955). Soil Sci. Soc. Amer., Proc. 19, 164.CrossRefGoogle Scholar
Wolcott, A. R., Foth, M. D., Davis, J. F. & Schickluna, J. C. (1965). Soil Sci. Soc. Amer., Proc. 29, 405.CrossRefGoogle Scholar