24 Weeds. 



ral or other agencies, and that with the 

 necessary watch fuhiess, the plants which 

 grow from these can in turn be destroyed 

 with but Httle difficuhy. Many persons 

 seem to hold the view that while weeds may 

 be held in check and kept from seriously 

 hindering the growth of crops, they cannot 

 be wholly destroyed. They claim that while 

 weeds may be thus far conquered, never- 

 theless they will come again, and therefore 

 that the hope of eradicating them com- 

 pletely is not to be cherished. Those who 

 hold this view shape their practice accord- 

 ingly. They adopt some method of clean- 

 ing a field that proves fairly successful, and 

 then during the years. that immediately fol- 

 low give the same field no further special 

 attention. The consequence is that this 

 field soon again requires to be put through 

 some special cleaning process, owing to 

 the increase of the weeds which were 

 but partially eradicated by the pre- 

 vious one. If this practice were a good 

 one, it would involve the correctness of the 

 untenable theory that in correcting error 

 and uprooting evil, it is better to do it par- 

 tially rather than wholly. So long as the 

 belief is cherished by those who are most 

 interested, that the complete eradication of 



