NAS 925 1987 Rate and timing of nitrogen and effect of growth regulators on oilseed rape
NAS 925 1988 Rate and timing of nitrogen and effect of growth regulators on oilseed rape
NAS 925 1989 Rate and timing of nitrogen and effect of growth regulators on oilseed rape
NAS 949 1993 Nitrogen and fungicide requirements of winter oilseed rape
NAS 949 1993 to 1995 Nitrogen and fungicide requirements of winter oilseed rape
NAS 949 1994 Nitrogen and fungicide requirements of winter oilseed rape
NAS 966 1994 Response to sulphur in winter oilseed rape
NAS 981 NAS 1996 Sulphur and nitrogen for the composite winter oilseed rape hybrid synergy
NAS 981 NAS 1997 Sulphur and nitrogen for the composite winter oilseed rape hybrid synergy