References
- Campbell , A. G. 1966 . N.Z. Jl agric. Res. , 9 : 1009 – 1024 .
- Clifford , H. J. 1963 . N.Z. Jl agric. , 107 : 189 – 197 .
- Cutler , E. J. B. 1950 . Proc. 12th Conf. N.Z. Grassld Aas. , : 23 – 30 .
- Edmond , D. B. 1958 . N.Z. Jl agric. Res. , 1 : 319 – 328 .
- Edmond , D. B. 1963 . Proc. 13th Lincoln Coll. Fmrs' Conf. , : 77 – 81 .
- Edmond , D. B. 1964 . N.Z. Jl agric. Res. , 7 : 1 – 16 .
- Edmond , D. B. 1966 . Proc. X int. Grassld Congress , : 453 – 458 .