140 



TILTH AND TILLAGE 



this type of moldboard, the soil is thoroughly pulverized when 

 turned provided it is in fit condition to be plowed (Figs. 71 

 and 72-1). 



FIG. 70. The parts of a plow: a, moldboard; b, share; c, point; d, shin; e, handles; 

 /, beam; g, brace rods; h, standard; i, landside; /, jointer; k, gauge wheel; I, bridle; m, beam 

 clevis; n, hitch clevis; o t clamp; p, heel. 



FIG. 71. First prize stubble plowing. 



Plowing Sod. The only way to turn a prairie sod, or any old, 

 tough, grass sod, is to use a prairie-breaker type of plow (Figs. 72 

 and 79). This type is built with an easy-turning moldboard 

 which turns the furrow slice over flat, against the preceding one 



