Show harrowing and plowing done at one operation one man following a two horse walking plow can turn about 19 acres in a ten hour day it if this min man uses three horses and a sulky plow hla his days work will net him about 24 acres the ordinary harrowing of the field after afler it is plowed requires about 13 man hours to cover on an acre the cost of tills this harrowing Is about 92 02 cents an acre if a s edtion of a harrow is attached to the plow as tile the work Is being done the harrowing and plowing can both be done at one operation and thus thug a savins saving of 0 almost 20 can le be made on a 20 acre held |