0 a large piece of equipment that is pulled behind a tractor (= a farm vehicle) to break the earth into small pieces ready for planting --
1 to use a large piece of equipment that is pulled behind a tractor (= a farm vehicle) to break the earth into small pieces ready for planting: --
However, the nature of the sample was such that all the participants had complex, often chaotic, biographies, and the stories they told were often harrowing.
The final act is harrowing for precisely this reason, this transformation in our perceptions.
In 2000, the organic plots were tilled with a spring tooth harrow prior to flag leaf emergence to control in-crop weeds.
One only needs to mention one harrowing example to illustrate the point.
The tillage treatment was a tractor-drawn cultivator followed by disc harrow.
All crop residues were incorporated using a hand tractor with a spike-tooth harrow.
Both these were unspecialised implements in 1850 but harrows diversified substantially afterwards.
In the spring of 2004, the land was cultivated and harrowed prior to planting.
