Mattrick, H.2021-09-292021-09-291971H. Mattrick,(1971)Conference on sustained production from semi-arid areas with particular reference to Botswanahttp://41.86.178.5:8080/xmlui/handle/123456789/15639Available in print form,East African Colection,Dr Wilbert Changula Library,(EAF FOS M56.K3).The semi-arid climate of Botswana dictates that it is primarily a pastoral country. Nevertheless, the carrying capacity already greatly exceeded in some areas ,does not permit every farmer to own enough cattle.enRural developmentKalahariArticle