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Cereal yields vs. tractor inputs in agriculture, 1961 to 2014

Cereal yields, measured in kilograms per hecatre versus the number of tractors used per 100 square kilometres of arable land.

Tractors per 100 sq km arable land1,0002,0003,0004,0005,0006,000Cerealyield(kilogramsperhectare)WorldWorldJapanJapanGermanyGermanyTurkeyTurkeyItalyItalySouth KoreaSouth KoreaPolandPolandMaliMaliAustriaAustriaSloveniaSloveniaNew CaledoniaNew CaledoniaAfricaAsiaEuropeNorth AmericaOceaniaSouth AmericaNo data19612014