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The relative importance of plot variation and of field and laboratory sampling errors in small plot pasture productivity experiments

Published online by Cambridge University Press:  27 March 2009

M. S. Bartlett  and
A. W. Greenhill
M. S. Bartlett
Affiliation:
(Imperial Chemical Industries, Ltd., Agricultural Research Station, Jealott's Hill, Bracknell, Berkshire.)
A. W. Greenhill
Affiliation:
(Imperial Chemical Industries, Ltd., Agricultural Research Station, Jealott's Hill, Bracknell, Berkshire.)
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Extract

An investigation of the relative importance in small plot pasture productivity experiments, of plot variations and of field and laboratory errors in sampling and subsampling for percentage dry matter and percentage nitrogen figures, revealed little advantage from duplicate sampling or subsampling in reducing the experimental error, which was due mainly to plot variation.

The effect of sampling errors was of even less importance in the estimation of the actual yields of dry matter or of nitrogen.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 26 , Issue 2 , April 1936 , pp. 258 - 262
Copyright
Copyright © Cambridge University Press 1936

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