References
- Begg , J.P. 1961 . N.Z. Journal of Agriculture , 103 : 325 – 325 .
- Begg , J.P. Proceedings of the N.Z. Grassland Association . Vol. 24 , pp. 126 – 32 .
- Begg , J.P. 1964 . N.Z. Journal of Agriculture , 108 : 529 – 35 .
- Bremner , J.M. and Keeney , D.R. Soil Science Society of America Proceedings . Vol. 30 , pp. 583 – 7. .
- Brockwell , J. 1963 . World Crops , 15 : 334 – 8 .
- Duncan , D.B. 1955 . Biometrics , 11 : 1 – 42 .
- Janson , C.G. and White , J.G.H. 1971a . N.Z. Journal of Agricultural Research , : 572 – 86 .
- Parle , J.N. Proceedings of the N.Z. Grassland Association . Vol. 26 , pp. 123 – 6 .
- Thompson , A. Proceedings of the N.Z. Weed Control Conference . Vol. 13 , pp. 95 – 101 .
- White , J.G.H. Proceedings of the 11th International Grassland Congress . pp. 134 – 8 .