Most read articles by the same author(s)
- D.E. Hume, D.L. Ryan, B.M. Cooper, A.J. Popay, Agronomic performance of AR37-infected ryegrass in northern New Zealand , Proceedings of the New Zealand Grassland Association: Volume 69, 2007, Wairakei
- R.J.M. Hay, D.L. Ryan, A REVIEW OF 10 YEARS' RESEARCH WITH RED CLOVERS UNDER GRAZING IN SOUTHLAND , Proceedings of the New Zealand Grassland Association: Volume 50, 1989, Balclutha
- C.G.L. Pennell, H.S. Easton, G.J. Goold, R.J.M. Hay, M.J. Hickey, J.H. Hoglund, T.B. Lyons, D.A. Mccallum, H.R.T. Paewai, D.R. Stevens, N.A. Thomson, P.W. Woods, 'Grasslands Pacific' perennial ryegrass: performance at several sites , Proceedings of the New Zealand Grassland Association: Volume 52, 1990, Ashburton
- J.A. Lancashire, A.J. Harris, C.S. Armstrong, D.L. Ryan, PERENNIAL RYEGRASS CULTIVARS , Proceedings of the New Zealand Grassland Association: Volume 40, 1978, Invercargill
- K.H. Widdup, J.M. Keoghan, D.L. Ryan, H. Chapman, BREEDING Lotus corniculatus FOR SOUTH ISLAND TUSSOCK COUNTRY , Proceedings of the New Zealand Grassland Association: Volume 48, 1987, Alexandra
- J.P.J. Eerens, D.L. Ryan, Managing white clover for productive and profitable sheep farming in Southland , Proceedings of the New Zealand Grassland Association: Volume 62, 2000, Invercargill
- K.H. Widdup, D.L. Ryan, Forage potential of wild populations of perennial ryegrass collected from southern New Zealand farms , Proceedings of the New Zealand Grassland Association: Volume 54, 1992, Gore
- Kh Widdup, M.J. Hickey, D.R. Stevens, D.L. Ryan, A WHITE CLOVER BRED FOR SOUTHERN REGIONS , Proceedings of the New Zealand Grassland Association: Volume 50, 1989, Balclutha
- K.H. Widdup, D.L. Ryan, Development of GSO alsike clover for the South Island high country , Proceedings of the New Zealand Grassland Association: Volume 56, 1994, Hanmer Springs
- R.J.M. Hay, R.W. Kelly, D.L. Ryan, SOME ASPECTS OF THE PERFORMANCE OF 'GRASSLANDS PAWERA' RED CLOVER IN SOUTHLAND , Proceedings of the New Zealand Grassland Association: Volume 38, 1976, Nelson