508 THE HANDBOOK FOR PRACTICAL FARMERS 



6. 



Get acquainted with the common weeds and be alert for new 

 species. Report the weeds you are not familiar with to 

 your experiment station or the United States Department 

 of Agriculture. 



Fig. 242. 



■Quack grass, showing the entire plant system both above and 

 below the ground (X a ) • 



Pasture sheep in weedy fields. 



Spray with copper sulphate, iron sulphate or common salt in 



solution (see methods of control). 

 Cooperate in the control of weeds and see that you follow 



the laws of the State and help your neighbor to do the 



same. Keep the roadsides cut close. 



