DEPTH OF PLOWING 



57 



Plowing eleven inches deep with a bottom made especially for deep 

 plowing. Observe the clean furrow, smooth furrow bottom and wall, 

 and the furrow slice turned over properly. This plowing is in great 

 contrast to that illustrated on page fifty-five. On account of the depth at 

 which this plow is wording the greatest of care should be exercised to see 

 that the bottom of the furrow is properly made because none of the after 

 preparation implements such as the disk harrow, peg harrow, or roller 

 pulverizer can exert much influence on the bottom of the furrow. 



the seed bed is left in such a manner that moisture 

 cannot come up from below by capillary attraction and 

 that which is on the surface either washes away or sinks 

 into the subsoil where it cannot rise again. 



