Most read articles by the same author(s)
- B.E. Ruz-Jerez, P.Roger Ball, R.E. White, P.E.H. Gregg, Comparison of a herbal ley with a ryegrass-white clover pasture and pure ryegrass sward receiving fertiliser nitrogen , Proceedings of the New Zealand Grassland Association: Volume 53, 1991, Whakatane
- K. Betteridge, C.J. Hoogendoorn, B.S. Thorrold, D.A. Costall, S.F. Ledgard, Z.A. Park-Ng, P.W. Theobald, Nitrate leaching and productivity of some farming options in the Lake Taupo catchment , Proceedings of the New Zealand Grassland Association: Volume 69, 2007, Wairakei
- T.R.O. Field, P.Roger Ball, NITROGEN BALANCE IN AN INTENSIVELY UTILISED DAIRYFARM SYSTEM , Proceedings of the New Zealand Grassland Association: Volume 43, 1982, New Plymouth
- T.R.O. Field, P.Roger Ball, P.W. Theobald, LEACHING OF NITRATE FROM SHEEP-GRAZED PASTURES , Proceedings of the New Zealand Grassland Association: Volume 46, 1985, Timaru
- B.E. Ruz-Jerez, P.Roger Ball, R.E. White, Dynamics of mineral nitrogen in topsoil, during regrowth of pasture in two contrasting grassland systems , Proceedings of the New Zealand Grassland Association: Volume 53, 1991, Whakatane
- R.A. Carran, P.W. Theobald, Long-term effects of grazing on the fertility of soils , Proceedings of the New Zealand Grassland Association: Volume 60, 1998, Nelson