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A dynamic model for responsive scheduling of potato irrigation based on simulated water-use and yield

Published online by Cambridge University Press:  10 November 2000

C. J. EJIEJI  and
J. W. GOWING
C. J. EJIEJI
Affiliation:
Department of Agricultural and Environmental Science, University of Newcastle upon Tyne, Newcastle upon Tyne NE1 7RU, UK
J. W. GOWING
Affiliation:
Department of Agricultural and Environmental Science, University of Newcastle upon Tyne, Newcastle upon Tyne NE1 7RU, UK
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Abstract

A model was developed to simulate tuber yield and water use of a potato crop by modifying and extending an existing water-use model. Empirical validation of the model was carried out with data from 37 crop-years of experiments on a wide range of cultivars at five sites within the UK (viz Silsoe, Gleadthorpe, Rothamsted, Woburn and Dundee). The study confirmed the validity of the model over a range of yields from 1·67 to 73·7 t/ha and under conditions from severely droughted to fully irrigated.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 135 , Issue 2 , September 2000 , pp. 161 - 171
Copyright
© 2000 Cambridge University Press

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