DISKING AND HARROWING 91 



first disking early in the spring, and then disk immedi- 

 ately after each cutting. If the stand of alfalfa is fair 

 to good, set the disks as we did in the experiments 

 made in 1900. If the stand is poor and the growth of 

 crab-grass thick, set the disks to cut deeply. Disking 

 is of as much va^ue to alfalfa as cultivation is to corn." 



