HOW TO GROW GOOD CLOVER. 147 



Third. The seed itself is often full of weeds, which* 

 by gaining the mastery, kill out the young clover 

 plant. 



Fourth. This effect is enhanced by growing clover 

 with barley, in which, if not smothered, it must 

 become weakened. 



Fifth. We ought not to expect to grow clover 

 where we have taken away the necessary substances 

 for its growth in the corn crop. 



