Authors: Cookson, WR Rowarth, JS Sedcole, JR

Citation: Wr. Cookson et al., Seed vigour in perennial ryegrass (Lolium perenne L.): effect and cause, SEED SCI T, 29(1), 2001, pp. 255-270

Authors: Cookson, WR Rowarth, JS Cameron, KC

Citation: Wr. Cookson et al., The fate of autumn-, late winter- and spring-applied nitrogen fertilizer in a perennial ryegrass (Lolium perenne L.) seed crop on a silt loam soil inCanterbury, New Zealand, AGR ECO ENV, 84(1), 2001, pp. 67-77

Authors: Cookson, WR Rowarth, JS Cameron, KC

Citation: Wr. Cookson et al., The effect of autumn applied N-15-labelled fertilizer on nitrate leaching in a cultivated soil during winter, NUTR CYCL A, 56(2), 2000, pp. 99-107

Authors: Hampton, JG Cookson, WR Grama, A Rowarth, JS McGill, CR Hill, MJ

Citation: Jg. Hampton et al., Temperature and time variables for accelerated ageing testing of perennialryegrass (Lolium perenne L.) seed lots, SEED SCI T, 28(3), 2000, pp. 861-863

Authors: Cookson, WR Rowarth, JS Cameron, KC

Citation: Wr. Cookson et al., The response of a perennial ryegrass (Lolium perenne L.) seed crop to nitrogen fertilizer application in the absence of moisture stress, GRASS FOR S, 55(4), 2000, pp. 314-325

Authors: Cookson, WR Rowarth, JS Cameron, KC

Citation: Wr. Cookson et al., The fate of residual nitrogen fertiliser applied to a ryegrass (Lolium perenne L.) seed crop, AUST J AGR, 51(2), 2000, pp. 287-294