IMPROVEMENTS IN AGRICULTURE

Mere som dette

Teaching - the latest

af ben winter

MOOC

af Lluis Codina

Impact of Exploration and Colonization

af Taylor Medlin

PUMA

af Miguel Cueva

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