Draycott, A. P., Webb, D. J. & Wright, E. M. (1973). The effect of time of sowing and harvesting on growth, yield and nitrogen fertilizer requirement of sugar beet. I. Yield and nitrogen uptake at harvest. Journal of Agricultural Science, Cambridge 81, 267–275.
Durrant, M. J. (1988). A survey of seedling establishment in sugar-beet crops in 1980 and 1981. Annals of Applied Biology 113, 347–355.
Durrant, M. J. & Jaggard, K. W. (1988). Sugar-beet seed advancement to increase establishment and decrease bolting. Journal of Agricultural Science, Cambridge 110, 367–374.
Durrant, M. J. & Mash, S. J. (1990). Sugar-beet seed treatments and early sowing. Seed Science and Technology 18, 839–850.
Durrant, M. J. & Mash, S. J. (1992). Interactions between seed treatments. Institute of Arable Crops Research Report for 1991, pp. 8–9.
Durrant, M. J., Dunning, R. A., Jaggard, K. W., Bugg, R. B. & Scott, R. K. (1988). A census of seedling establishment in sugar-beet crops. Annals of Applied Biology 113, 327–345.
Gummerson, R. J. (1986). The effect of constant temperatures and osmotic potentials on the germination of sugar beet. Journal of Experimental Botany 37, 729–741.
Holmes, J. C. & Adams, S. N. (1966). The effect of sowing date, harvest date and fertilizer rate on sugar beet. Experimental Husbandry 14, 65–74.
Hornsey, K. G. & Arnold, M. H. (1979). The origins of weed beet. Annals of Applied Biology 92, 279–285.
Hull, R. & Webb, D. J. (1970). The effect of sowing date and harvesting date on the yield of sugar beet. Journal of Agricultural Science, Cambridge 75, 223–229.
Jaggard, K. W. (1979). The effect of plant distribution on yield of sugar beet. PhD thesis, University of Nottingham.
Jaggard, K. W., Wickens, R., Webb, D. J. & Scott, R. K. (1983). Effects of sowing date on plant establishment and bolting and the influence of these factors on yields of sugar beet. Journal of Agricultural Science, Cambridge 101, 147–161.
Longden, P. C. (1989). Effects of increasing weed-beet density on sugar-beet yield and quality. Annals of Applied Biology 114, 527–532.
Prince, J. W. F. & Durrant, M. J. (1990). Progress in seed quality and seed treatments. British Sugar Beet Review 58 (4), 4–6.
Purvis, O. N. (1961). The physiological analysis of vernalisation. In Encyclopedia of Plant Physiology (Ed. Ruhland, W.), Vol. 16, pp. 76–122. Berlin: Springer.
Scott, R. K. & Jaggard, K. W. (1992). Crop growth and weather: can yield forecasts be reliable? In Proceedings of the 55th Winter Congress of the Institut International de Recherches Betteravières, pp. 169–187. Brussels: IIRB.
Scott, R. K., English, S. D., Wood, D. W. & Unsworth, M. H. (1973). The yield of sugar beet in relation to weather and length of growing season. Journal of Agricultural Science, Cambridge 81, 339–347.
Steven, M. D., Biscoe, P. V., Jaggard, K. W. & Paruntu, J. (1986). Foliage cover and radiation interception. Field Crops Research 13, 75–87.
Thomasson, A. J. (1982). Soil and climatic aspects of workability and trafficability. In Proceedings of the 9th Conference of the International Soil Tillage Research Organisation. Osijek, Yugoslavia: ISTRO.
Watson, D. J. (1956). Leaf growth in relation to crop yield. In The Growth of Leaves (Ed. Milthorpe, F. L.), pp. 178–191. London: Butterworths.
Wind, G. P. (1976). Application of analog and numerical models to investigate the influence of drainage on workability in spring. Netherlands Journal of Agricultural Science 24, 155–172.