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Economic HistoryEconomic History Medieval Era (500 – 1400 AD)

Feudalism -- Western Europe Second Agricultural Revolution

(900 - 1500 AD) Stirrup Horse Collar

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Economic HistoryEconomic History Medieval Era (500 – 1400 AD)

Feudalism -- Western Europe Second Agricultural Revolution (900 -

1500 AD) Stirrup Horse Collar Horse Power Vertical Plow

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Modern Horse Collar

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Economic HistoryEconomic History Medieval Era (500 – 1400 AD)

Feudalism -- Western Europe Second Agricultural Revolution

(900 - 1500 AD) Stirrup Horse Collar Horse Power Vertical Plow 3 Field Crop Rotation

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Wheat - Year 1Fallow - Year 2

Fallow - Year 1Wheat - Year 2

Field one 300 acres Field two 300 acres

Wheat - year 1

Legume- year 2

Fallow – year 3

Legume-year 1

Fallow - year 2

Wheat - year 3

Fallow - year 1

Wheat - year 2

Legume - year 3

Field one200 acres

Field two200 acres

Field Three200 acres

Two Field Crop Rotation

Three Field Crop Rotation

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Two field rotation Plowing 300 + (300 x 2) = 900 AcresCrop 300 AcresRatio 300/900 = .33

Three field rotationPlowing 200 + 200 + (200 x 2) = 800 Acres Crop 400 AcresRatio 400/800 = .50

How much new land can be brought into production with same amount of work?

• 100 acres • 50 acres• 75 acres75 acres

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Scythe

Cradle

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Mechanical Reaper

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Wheat Threshing ContestWheat Threshing Contest

Six men with flails -- 60 liters of Six men with flails -- 60 liters of wheatwheat

Belgian thresherBelgian thresher -- 150-- 150 French thresherFrench thresher -- 250-- 250 English thresherEnglish thresher -- 410-- 410 US thresherUS thresher -- 740-- 740

Paris Exhibition Paris Exhibition 18541854

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