Explanation: Economy: Agriculture

• Archaeological evidence points to the development of agriculture among the Rig Vedic people. The ploughshare is mentioned in the Rig Vedas.
• The field was known as kshetra and the term krishi referred to ploughing. The terms langla and sura referred to plough and the term sita meant the furrow created by ploughing.
• Water for irrigation was probably drawn from wells by cattledriven water-lifts using pulleys. They had knowledge of different seasons, sowing, harvesting and thrashing. They cultivated barley (yavam) and wheat (godhuma).

Source: Tamil Nadu Board Class 11