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harrow, farm implement used to pulverize soil, break up crop residues, uproot weeds, and cover seed. In Neolithic times, soil was harrowed, or cultivated, with tree branches; shaped wooden harrows were used by the Egyptians and other ancient peoples, and the Romans made harrows with iron teeth.
Modern harrows comprise several varieties. Disk harrows mount concave disks and are frequently referred to simply as disks. One type, the single-action two gang, has two groups of disks, more or less h
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A tractor harrow is a tool used in agriculture to break up and smooth out the soil. In this way, it differs from the plough as plough do deeper tillage. Farmers use tractor harrow on fields to smooth out the rough finish left by ploughing operations. The harrow implement breaks up clods (lumps of soil) and provides a more delicate finish, good tilth, or soil structure suitable for seedbed use.
Harrow Tool can also remove weeds and cover seed after it has been sown. However, Harrow for Agricul
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