References
- Altona , R.E. , Tilley , T.J. and Stiven , G. 1962 . The biological evaluation of milk produced from cows grazing on fertilized and unfertilized veld. . S.Afr. J.Sci. , 58 : 81 – 87 .
- Castle , M.E. 1951 . Grassland evaluation in terms of milk production . Dairy Sci. Abstr. , 13 : 399 – 406 .
- Castle , M.E. 1955 . Methods of evaluating grassland production in temperate zones. . Herb. Abstr. , 25 : 1 – 9 .
- Joint Committee . 1943 . Preliminary report on pasture investigations technique. . J. Dairy Sci. , 26 : 353 – 369 .
- Joubert , D.M. 1976 . Diereproduksie — . Quo vadis. Vleis , 25 : 4 – 11 .
- Kruger , J.A. 1979 . Ekologiese evaluering van radikale veldverbetering virdie intensive ring van diereproduksie in die Oos‐Vrystaat , Potchefstroom : P.U. vir CHO . D.Sc. proefskrif
- Mott , G.O. and Lucas , H.L. The design, conduct and interpretation of grazing trials on cultivated and improved pastures . Proc. 6 th int. Grassld Congr. Pasadena. pp. 1380 – 1385 .
- Rethman , N.F.G. 1973 . Eragrostis curvula (weeping lovegrass) A review with special reference to Southern Africa , Tech. Com. No 16 Pretoria : Dept. Agric. Tech. Serv., Govt. Print. .
- Rose , C.J. 1956 . Fertilizing natural grassland for dairy production , Johannesburg : Univ. Witwatersrand . Ph.D. thesis
- Stobbs , T.H. Milk production per cow and per hectare from tropical pastures . Proc. int. Symp. Anim. Prod., . pp. 129 – 146 . Mexico : Acapulco .
- Based on a portion of a thesis approved for a D.Sc degree at the’ Potchefstroom University for CHE.
- Present address: Highveld Agricultural Research Institute, P/b X804, Potchefstroom.