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- [26] THE EFFECTS OF SEED SIZE, AUTUMN NITROGEN AND PLANT-POPULATION DENSITY ON THE RESPONSE TO DELAYED SOWING IN WINTER OIL-SEED RAPE (BRASSICA-NAPUS) JOURNAL OF AGRICULTURAL SCIENCE, 1981, 96 (APR): : 417 - 428
- [27] FORAGING OF BEES ON OIL-SEED RAPE (BRASSICA-NAPUS L) IN RELATION TO THE STAGE OF FLOWERING OF THE CROP AND PEST-CONTROL JOURNAL OF AGRICULTURAL SCIENCE, 1980, 94 (FEB): : 151 - 154
- [30] COMPENSATION IN SPRING-SOWN OIL-SEED RAPE (BRASSICA-NAPUS L) PLANTS IN RESPONSE TO INJURY TO THEIR FLOWER BUDS AND PODS JOURNAL OF AGRICULTURAL SCIENCE, 1983, 101 (DEC): : 565 - 573