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Some observations on the nitrogenous manuring of grassland

Published online by Cambridge University Press:  27 March 2009

H. W. Gardner ,
J. Hunter Smith ,
J. W. Reid  and
H. R. Williams
H. W. Gardner
Affiliation:
(Hertfordshire Institute of Agriculture, “Oaklands,” St Albans.)
J. Hunter Smith
Affiliation:
(Hertfordshire Institute of Agriculture, “Oaklands,” St Albans.)
J. W. Reid
Affiliation:
(Hertfordshire Institute of Agriculture, “Oaklands,” St Albans.)
H. R. Williams
Affiliation:
(Hertfordshire Institute of Agriculture, “Oaklands,” St Albans.)
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Extract

An account is given of observations made during the first two years' treatment of grass according to the “New System of Grassland Management,” i.e. periodic dressings of nitrogenous manure followed by rotational grazing.

The grazing provided by the nitrogen and no-nitrogen plots in the two years is given, measured in cow-day equivalents.

A method of sampling the plots with a view to determining the total weight of herbage produced and its chemical and botanical composition is described.

Botanical and chemical results obtained by this method are given and discussed.

The percentage of clover on the nitrogen plots is about one-quarter of that on the control plots.

The dry matter of the herbage on the nitrogen plots has, on the average, contained 17·7 per cent, crude protein: that on the no-nitrogen plots 15·5 per cent. The average age of the grass when sampled was 35 days.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 19 , Issue 3 , July 1929 , pp. 500 - 523
Copyright
Copyright © Cambridge University Press 1929

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References

REFERENCES

(1)Woodman, Blunt, and Stewart, . J. Agric. Sci. (1926), 16, 205.CrossRefGoogle Scholar
(2)Woodman, , Blunt, and Stewart, . J. Agric. Sci. (1927), 17, 209.CrossRefGoogle Scholar
(3)Woodman, , Norman, and Bee, . J. Agric. Sci. (1928), 18, 266.CrossRefGoogle Scholar