Q2 PLANT DISEASE 



them such a mixture, and his farm is one of 

 those in the infected area. 



Again, a large number of farmers in the 

 Burghersdorp district keep their sheep healthy 

 by giving them salt and nitrate of potash, and 

 I have heard of other farmers who have used 

 saltpetre with the same result. 



There are also farmers who say they keep their 

 cattle free of redwater by giving them salt and 

 iron. No doubt it would be better if saltpetre 

 were added to this. 



As further evidence, Mr. Steyn, of Bloem- 

 fontein Farm, Upington, Gordonia, South 

 Africa, writing on February 22, 1898, on 

 rinderpest in his district, says 



" It has been proved beyond dispute that the 

 spread of the disease is most gradual in this 

 district, and I could name numerous instances 

 where healthy cattle were put into the same 

 kraal with sick ones for two or three nights, 

 and that they were quite well months after- 

 wards. In conclusion, I may state that the 

 cattle from this farm were much tougher 

 against infection, and on the whole took it in a 

 milder form than other cattle which were treated 



