Citation: Pw. Wilkins et al., Differences in the nitrogen use efficiency of perennial ryegrass varietiesunder simulated rotational grazing and their effects on nitrogen recovery and herbage nitrogen content, GRASS FOR S, 55(1), 2000, pp. 69-76
Citation: Rw. Davies et Pw. Wilkins, The effect of drying temperature on in vitro dry-matter digestibility and water-soluble carbohydrate content of perennial ryegrass varieties, GRASS FOR S, 53(3), 1998, pp. 296-297