History of Horticulture: Lecture 321Lecture 32 Lecture 32 Agricultural Scientific Revolution: MechanicalAn enormous number of mechanical advances are inherent in the development of agriculture. In addition, the power driving these mechanical advances have shifted from humans, to animals, to water, to steam, and to oil-derived fuels.Two primitive Egyptian hoes form the Middle KingdomSoil preparation by hoeing; from a Tomb at Ti at Saqqara, ca. 2400 BCEDevelopment of Hand WeedersWielding primitive hoes, a couple cultivates its fields in the rain.Another farmer sits before a fire and keeps a sharp eye out for crop robbers.January
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History of Horticulture: Lecture 322In a symbolic ceremony, the Inca emperor and noblemen turn over the first earth in a sacred field, while three women bow and the empress offers corn beerAugustPlowing and hoeing; from a tomb at Beni Hasan,ca. 1900 BCENote that the plow is essentially a large hoe dragged through the soilEgyptian PlowsThe symbol above the plow is the ancient pictorial word symbol for the plowTwo handled Egyptian plow