use of hand-held chlorophyll meters as a tool to assess the nitrogen status and to guide nitrogen fertilization of potato crop von Gianquinto, G, Goffart, J.P, Olivier, M, Guarda, G, Colauzzi, M, Dalla Costa, L, Delle Vedove, G, Vos, J, Mackerron, D.K.L

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Advances in Modelling the Potato Crop: Sufficiency and Accuracy Considering Uses and Users, Data, and Errors von MacKerron, D. K. L

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Calibration of near infrared reflectance spectroscopy to estimate nitrogen concentration in potato tissues von Young, M.W. (Scottish Crop Research Inst., Invergowrie, Dundee (United Kingdom).), Mackerron, D.K.L, Davies, H.V

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Carbon isotope discrimination in irrigated and droughted potato (Solanum tuberosum L.) von JEFFERIES, R. A., MACKERRON, D. K. L.

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Forty years of potato research : highlights, achievements and prospects von STRUIK, P. C, ASKEW, M. F, SONNINO, A, MACKERRON, D. K. L, BANG, U, RITTER, E, STATHAM, O. J. H, KIRKMAN, M. A, UMAERUS, V

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Climate Change and Crop Production von MacKerron, D K L, Reynolds, M P

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A critical assessment of the value of petiole sap analysis in optimizing the nitrogen nutrition of the potato crop von MacKerron, D.K.L. (Scottish Crop Research Inst., Invergowrie, Dundee (United Kingdom)), Young, M.W, Davies, H.V

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The distributions of tuber sizes in droughted and irrigated crops of potato. I: Observations on the effect of water stress on graded yields from differing cultivars von MACKERRON, D. K. L, JEFFERIES, R. A

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Report of the Meeting of the Physiology Section of the EAPR, 30 June–2 July 1998, Pultusk, (Poland) von MacKerron, D. K. L.

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Temporary partial breakdown of mlo‐resistance in spring barley by sudden relief of soil water‐stress under field conditions: the effects of genetic background and mlo allele von Baker, S. J., Newton, A. C., Crabb, D., Guy, D. C., Jefferies, R. A., Mackerron, D. K. L., Thomas, W. T. B., Gurr, S. J.

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A method to optimize N-application in relation to soil supply of N, and yield of potato von MacKerron, D.K.L. (Scottish Crop Research Inst., Invergowrie, Dundee (United Kingdom)), Young, M.W, Davies, H.V

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The influence of early soil moisture stress on tuber numbers in potato von MACKERRON, D. K. L, JEFFERIES, R. A

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Access tube location within a simulated potato crop and the measurement of soil moisture with a neutron probe von MACKERRON, D.K.L., JEFFERIES, R.A.

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The distributions of tuber sizes in droughted and irrigated crops of potato. II: Relation between size and weight of tubers and the variability of tuber-size distributions von MACKERRON, D. K. L, MARSHALL, B, JEFFERIES, R. A

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Radiation interception and growth of irrigated and droughted potato ( Solanum tuberosum) von Jefferies, R.A., Mackerron, D.K.L.

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Estimating tuber dry matter concentration from accumulated thermal time and soil moisture von Jefferies, R.A. (Scottish Crop Research Inst., Invergowrie, Dundee (UK)), Heilbronn, T.D, MacKerron, D.K.L

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Climate change — from impact to interaction von MacKerron, D.K.L.

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Markers for maturity and senescence in the potato crop von MACKERRON, D. K. L, DAVIES, H. V

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Observations on the incidence of tuber growth cracking in relation to weather patterns von JEFFERIES, R. A, MACKERRON, D. K. L

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Observations on the effects of relief of late water stress in potato von MACKERRON, D. K. L, JEFFERIES, R. A

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