References
- Anon. 1971 . Bonemeal and salt supplementation of Tswana steeis in Kweneng District of Botswana , Gaborone : Animal Production Research Unit, Ministry of Agriculture . Unpublished report
- Anon. 1991 . Botswana's agricultural policy: critical sectoral issues and future strategy for development , Gaborone : Ministry of Agriculture .
- De Waal , HO , Engels , EAN , Van der Merwe , FJ and Biel , LC . 1981 . Supplementing sheep with protein and phosphorus on native pasture of the central Orange Free State. 2. Feed intake, mass change and wool production . South African Journal of Animal Science , 11 : 217 – 227 .
- Edwards , PJ and Nel , SP . 1973 . Short‐term effects of fertilizers and stocking rates on Bokveld: vegetation changes . Proceedings of the Grassland Society of Southern Africa , 8 : 83 – 88 .
- Eldridge , D . 1978 . Soil profile description of Morale Ranch , Gaborone : Animal Production Research Unit, Ministry of Agriculture . Unpublished memorandum
- Fourie , JH , Redelinghuys , GJ and Opperman , DPJ . 1985 . Influence of stocking rate and grazing system on plant basal cover and botanical composition of veld in the northern Cape . Journal of the Grassland Society of Southern Africa , 1 (4) : 20 – 24 .
- Hazel , AB . 1967 . Effect of grazing intensity on plant composition, vigour and production . Journal of Range Management , 20 : 249 – 252 .
- Holechek , JC , Pieper , RD and Hervel , CH . 1989 . Range management: principles and practices , New Jersey : Prentice‐Hall .
- Hull , JL , Meyer , JH and Dromann , R . 1961 . Influence of stocking rate on animal and range production from irrigated pasture . Journal of Animal Science , 20 : 46 – 52 .
- Little , DA . 1972 . Bone biopsy in cattle and sheep for studies of phosphorus status . Australian Veterinary Journal , 48 : 668 – 670 .
- McKay , AD . 1968 . Rangeland productivity in Botswana . East African Agriculture & Forestry Journal , 32 : 178 – 193 .
- Morrison , FB . 1958 . Feeds and Feeding , Clinton Iowa : Morrison Publishing Co. .
- O'Rourke , JT . Grazing rate and system trial over five years in medium‐height grassland of northern Tanzania . Proceedings of the First International Rangeland Congress . pp. 563 – 566 .
- Pearson , HA and Whitaker , LB . 1974 . Forage and cattle response to different grazing intensities on Southern Pine Ridge . Journal of Range Management , 27 : 444 – 446 .
- Pitt , MD and Heady , HF . 1979 . The effect of grazing intensity on annual vegetation . Journal of Range Management , 20 : 109 – 114 .
- Pratt , DJ and Gwynne , MD . 1977 . Rangeland management and ecology in East Africa , New York : Krieger Publishing Co. .
- Read , MVP , Engels , EAN and Smith , WA . 1986 . Phosphorus and the grazing ruminant. 2 The effects of supplementary P on cattle at Glen and Armoedsvlakte . South African Journal of Animal Science , 16 : 7 – 12 .
- Stoddart , AL , Smith , AD and Box , TW . 1975 . Range management , New York : McGraw‐Hill .
- Timberlake , J . 1980 . Vegetation map of south‐east Botswana , Gaborone : Ministry of Agriculture .
- Walker , BH . 1983 . Effect of stocking rate on tropical pasture . Journal of the Australian Institute of Agricultural Science , 49 : 25 – 26 .
- Wear , PR and Yalala , A . 1971 . Provisional vegetation map of Botswana , Gaborone : Government Printer .