PLOWING SOD 



141 



FIG. 72. Three types of plow bottoms: 1, stubble bottom; 2, general purpose; 3, sod. 



B 



A 



FIG. 73. Adjustment of coulter. A, ordinarily set coulter one-half inch from landside 

 (c). In deep plowing or for sod one-quarter inch. Secure a full furrow slice to keep shin 

 covered with dirt. B, set middle of rolling coulter about three inches back from point. In 

 loose or trashy soils, one or two inches back. In hard or sticky soils, about four inches back. 



* o 74 - Different types of coulters and jointers. Note proper 

 jointer; 2, rolling coulter; 3, blade coulter or hanging cutter; 4, fin coi 

 combination rolling coulter and jointer; 6, knee cutter or coulter. 



adjustment. 1, 

 coulter or cutter: 5, 



