R. J. Summerfield

Versatile Irrigation Systems for Controlled Environment Growth Chambers

R. J. Summerfield, K. E. Cockshull, D. Dickinson, 1974 .

Effects of Photoperiod, Temperature and Asynchrony between Thermoperiod and Photoperiod on Development to Panicle Initiation in Sorghum

E. H. Roberts, R. J. Summerfield, Peter Craufurd, 1997 .

FRUIT NUMBER IN RELATION TO POLLEN PRODUCTION AND VIABILITY IN GROUNDNUT EXPOSED TO SHORT EPISODES OF HEAT STRESS

P. V. Vara Prasad, R. J. Summerfield, Peter Craufurd, 1999 .

Grain Legume Crops

E. H. Roberts, R. J. Summerfield, R. Summerfield, 1985 .

Measurement and prediction of flowering in annual crops

E. H. Roberts, R. J. Summerfield, R. Summerfield, 1987 .

Use of field observations to characterise genotypic flowering responses to photoperiod and temperature: a soyabean exemplar

R. J. Lawn, S. Shanmugasundaram, E. H. Roberts, 1996, Theoretical and Applied Genetics.

Photothermal responses of flowering in rice (Oryza sativa)

E. H. Roberts, R. J. Summerfield, F. D. Vries, 1992 .