- BARTLETI, M. S. and KENDALL, D. G. (1946). The statistical analysis of variance-heterogeneity and the logarithmic transformation. Journal of the Royal Statistical Society, 8,(Supplement), 128–38. BAILEY, N. T. J. (1964). The elements of stochastic processes. John Wiley and Son, New York and London, 68.
- BLEASDALE, J. K. A. (1966). The effects of plant spacing on the yield of bulb onions (A Ilium cepa L.) grown from seed. Journal of Horticultural Science, 41, 145–53.
- BREWSTER, J. L., HARDWICK, R. C. and HARDAKER, J. M. (1975) Report of the National Vegetable Research Station for 1974, 69.
- BREWSTER, J. L. and SALTER, P. J. (1980). The effect of plant spacing on the yield and bolting of two cultivars of overwintered bulb onions. Journal of Horticultural Science, 55, 97–102.
- BUFTON, L. P. (1978). The influence of seed drill design on the spatial arrangement of seedlings and on seedling emergence. Acta Horticulturae, 72, 135–57.
- BUFTON, L. P., RICHARDSON, P. and O’DOGHERTY, M. J. (1974). Seed displacement after impact On a soil surface. Journal of Agricultural Engineering Research, 19, 327–38.
- FRAPPELL, B. D. (1973). Plant spacing of onions. Journal of Horticultural Science, 48, 19–29.
- HEWSON, R. T. (1971). Studies on weed competition in some vegetable crops. PhD Thesis, Brunel University, Uxbridge.
- SNEDECOR, G. W. and COCHRAN, W. G. (1967). Statistical methods. Iowa State Univ. Press., Ames, USA.
- VIK, J. (1972). Experiments on the development of a new cultural technique for the production of transplanted onions. Meldinger fra Norges Landbrukslutigskole, 51(5), 1–9.
- WHITLOCK, A. J. (1978). Fen vegetables from block raised transplants. Arthur Rickwood Experimental Husbandry Farm Annual Review 1978, 38–44. MAFF, London.
Journal of Horticultural Science
Volume 55, 1980 - Issue 3