IMPROVEMENTS IN AGRICULTURE

Mere som dette

11 inventions that changed the world

af Daniel Sima

CRYPTOVERSE2

af Eric Phillips

six factors of production

af Mhyca Munoz

Natural Selection

af Addisyn Schuster

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