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The Influence of Sulphates as Manure upon the Yield and Feeding Value of Crops

Published online by Cambridge University Press:  27 March 2009

T. S. Dymond ,
F. Hughes  and
C. W. C. Jupe
T. S. Dymond
Affiliation:
County Technical Laboratories, Chelemsford
F. Hughes
Affiliation:
County Technical Laboratories, Chelemsford
C. W. C. Jupe
Affiliation:
County Technical Laboratories, Chelemsford
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Extract

An agricultural problem to which little attention has been directed is the relation of the supply of combined sulphuric acid in the soil to the growth of crops. Field experiments upon the value of gypsum and sulphate of iron have been made, and artificial manures containing sulphates are constantly being used, but the specific effect of the combined sulphuric acid in these materials seems never to have been sufficiently investigated. Indeed, any useful effect produced by gypsum has been ascribed to indirect action, e.g., the liberation of other constituents from insoluble soil compounds.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 1 , Issue 2 , May 1905 , pp. 217 - 229
Copyright
Copyright © Cambridge University Press 1905

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References

page 219 note 1 From figures supplied by Mr A. D. Hall.

page 222 note 1 For carrying out these experiments the Committee were indebted to Mr Harry Mann, Bulphan, Mr Percy Stanford, Great Oakley, Mr George McMillan, Margaretting, Mr R. W. Christy, Boxwell, Mr J. W. Moss, Feering, Mr Philip Hutley, Witham and Cressing, and Mr J. W. Hepburn. In the tables the names under which the manures are known in commerce are used,—muriate and sulphate of ammonia for ammonium chloride and sulphate, and sulphate of lime for calcium sulphate (gypsum).

page 223 note 1 Ann. de Chim. et de Phys. T. 15, p. 119.

page 224 note 1 For an account of sulphur bacteria see Conn's Agricultural Bacteriology, p. 59.

page 224 note 2 From figures supplied by Mr A. D. Hall.