THE CLOVERS 



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one-fifteenth of an inch in diameter. The lower should be a No. 22 mesh 

 wire screen. The buckhorn seeds with sawdust adhering will pass over the 

 surface of the upper screen and be removed. The clover seed will pass 

 through the openings and be retained by the lower screen, passing off at 

 the edge, where it may be collected. The sawdust should be fine and will 

 pass through the lower screen. In this way the separation is complete. 



Red Clover Troubles. — The principal enemies of red clover are insects, 

 fungous diseases and weeds. Much is heard concerning clover sickness, 

 but little is known relative to the nature of the malady. Failure to grow 



Red Clover on Limed and Unlimed Land. 1 



continuous crops of clover may be due to any one of several causes. Soil 

 acidity is probably the most common cause of clover failure. This, as 

 previously stated, is overcome by the use of lime. One of the most common 

 diseases of clover is anthracnose. In some sections nematodes have also 

 been responsible for clover failure. These difficulties will be mentioned 

 under special chapters covering plant diseases, insect enemies and weeds. 

 Alsike Clover. — Is a perennial plant intermediate between red and 

 white clover in size and appearance. It is adapted to ground that is too 

 wet for red clover, and is also more tolerant of acidity. 



1 Courtesy of The Macmillan Company, N. Y. From "Crops and Methods for Soil Improve- 

 ment," by Agee. 



