Plough
A plough or (Differences between American and British spellings, US) plow (both pronounced ) is a farm tool for loosening or turning the soil before sowing seed or planting. Ploughs were traditionally drawn by oxen and horses but modern ploughs are drawn by tractors. A plough may have a wooden, iron or steel frame with a blade attached to cut and loosen the soil. It has been fundamental to farming for most of history. The earliest ploughs had no wheels; such a plough was known to the Ancient Rome, Romans as an ''aratrum''. Celts, Celtic peoples first came to use wheeled ploughs in the Roman era. The prime purpose of ploughing is to turn over the uppermost soil, bringing fresh Plant nutrients in soil, nutrients to the surface while burying weeds and crop remains to Decomposition, decay. Trenches cut by the plough are called furrows. In modern use, a ploughed field is normally left to dry and then Harrow (tool), harrowed before planting. Ploughing and Tillage, cultivating soil eve ...
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