Field disked after plowing. This is a 

 common practice among farmers. It 

 does not remedy the bad condition 

 at the bottom of the seed bed 



Disked cornstalk field disked and 

 harrowed after plowing. This leaves 

 the ground in perfect condition for 

 whatever kind of crcp the farmer 

 desires to plant 



Field illustrated above with corn and 

 wheat planted. Observe that the 

 growth of the plant is somewhat bet- 

 ter than that shown in the illustration 

 on page 34, but that the same poor 

 condition exists at the bottom of the 

 seed bed 



This illustration shows the field above 

 planted to 'wheat and corn. Observe 

 the healthy growth of plants, that 

 there is abundant root system, that 

 the rootlets can assimilate all the plant 

 food necessary 



