214 



DRY FARMING 



3rd. Prevent the introduction of weed seeds. 

 There are many different ways of putting these prin- 

 ciples into practice but in the business of farming the 

 cheapest and most efficient methods are the best. 



. Under . differ- 

 ent soil and cli- 

 matic conditions 

 and with differ- 

 ent weeds, dif- 

 ferent practices 

 halve naturally 

 developed. The 

 rellatJive suita- 

 bility of each 

 method to any 

 given farm or 

 district mxist be 

 determined by 

 the man on the 

 ground and his 

 judgement will 

 be more reliable 

 if he is inform- 

 ed on (1) the 

 appearence of 

 noxious weeds and their seeds, (2) tlie habits of 

 growth of the common weeds and how each spreads and 

 (3) the most successful methods of comlbating eadh type 

 of. weed. 



171. Identification of Weeds and Weed Seeds. — Space 

 does not permit of including illustrations or even giving 

 descriptions of the more important weeds and weed 



Fig. 76.— Wild Oats. 



