IMPROVEMENTS IN AGRICULTURE

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TYPES OF ENTERTAINMENT

după Katherine Aragones

Mars

după Tina Webb

Chapter 3 National Income

după Remek Debski

Agriculture

după Kaleb Johnson

rebirth of cities

consequences

less hunger

increase population

trade

charters of liberty

IMPROVEMENTS IN AGRICULTURE

increase the extension of agricultural land

cutting down trees

windmills watermills

Fallow 3 years crop rotation

Heavy plough

less workers

irrigation

increase production

healthy diet