was invented disc harrow
a rototiller
A disc harrow is a farm implement which uses rotating discs in the ground for cultivating the soil. It is also used to chop up weeds and old crops.
A disc harrow and a chain harrow are two types a farmer may use to break up lumpy soil into a fine tilth suitable for sowing seeds.
Rotary tiller, multi disc harrow.
Tractor, reaper, combine, disc harrow, seeder, plough etc.
"Disking" is a colloquialism for the using of a disc harrow in a farming operation. See the related link below to see Wikipedia's description and some pictures.
harrow school in harrow on the hill
Jason Harrow's birth name is Jason Harrow.
absorb shock
is used to pull disc plow and disc harrow in preparing much large area of land
Wrong word - what do you mean by harrow?