DRILLS FOR DRY-FARMING 319 



chains dragging behind the drill and covering the 

 furrow quite completely. It is, however, very de- 



FiG. 85. Drill seeder with press wheel attachment. 



sirable that the soil should be j^ressed carefully around 

 the seed so that germination may begin with the 



Fig. 86. Sulky lister for corn. 



least difficulty whenever the temperature condi- 

 tions are right. Most of the drills of the day are, 



