WEEDS AND THEIR CONTROL 



229 



spring and plowing after the second growth starts, (c) 

 growing a crop that may be harvested before the Wild 

 Oats mature. 



The above practices may be followed on any grain 

 farm with no serious alteration of cropping plans and 

 no lessening of the acreage sown. If the weeds are so 



Fig. 80. — Quack Grass. 

 A creeping-rooted perennial that is difficult to eradicate. 



prevalent that these measures are insufficient several 

 others may be followed. Winter rye may be sown on 

 the fallow to smother the oats the following year; or if 

 the stand of rye is thinned out and wild oats grow, the 

 crop may be cut for hay before the oats ripen. Early 

 barley may be sown in the spring after a crop of wild 

 oats has been killed by thorough disking or shallow plow- 

 ing; and the barley may be cut for hay if the weeds 

 develop, or left for grain if they do not. Early fall 

 cultivation after this crop, providing there is sufficient 

 moisture, will start many of the oats still left in the soil. 

 A corn crop or a potato crop may be used instead of the 



