IMPROVEMENTS IN AGRICULTURE

Plus de détails

Water Scarcity

par Ling See Ang

Case Study: Deforestation in Kalimantan, Indonesia

par LU ZI XING

Water Resources

par huang caoling

The Management Environment

par Ethan Kwan

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