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The effect of previous cropping and manuring on the yield of potatoes

Published online by Cambridge University Press:  27 March 2009

F. Hanley ,
W. J. Ridgman  and
R. H. Jarvis
F. Hanley
Affiliation:
School of Agriculture, University of Cambridge
W. J. Ridgman
Affiliation:
School of Agriculture, University of Cambridge
R. H. Jarvis
Affiliation:
School of Agriculture, University of Cambridge
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Extract

1. An experiment conducted on a light gravelly soil at Cambridge which compared the effects of different sequences of cropping, some of which contained leys of various types and duration, different levels of nitrogenous manuring, and the application of farm-yard manure on the yield of potatoes, is described and the results discussed.

2. Under the circumstances of the experiment, in which phosphate and potash were maintained at a high level on all plots, sequence of cropping had little effect on the yield of potatoes when 4 cwt./acre of ‘Nitro-Chalk’ was applied to the potatoes, but in the absence of applied nitrogen leys containing lucerne led to higher yields than other sequences.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 62 , Issue 1 , February 1964 , pp. 39 - 46
Copyright
Copyright © Cambridge University Press 1964

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References

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