Civilizations didn't start in deserts, but in extremely fertile river valleys surrounded by deserts. Nile valley, Tigris-Euphrates, Indus valley, Yellow river valley are all extremely fertile regions of the earth. read more
Civilizations didn't start in deserts, but in extremely fertile river valleys surrounded by deserts. Nile valley, Tigris-Euphrates, Indus valley, Yellow river valley are all extremely fertile regions of the earth. read more
Nutritious Soil: with little rainfall and subsoil water sources, the nutrients in desert soil are left practically untouched, instead of being washed away by running water. Desert soils are amazingly fertile when irrigated in a proper, efficient manner. Less stressful conditions: For every 1000 humans, 5 live in the desert. read more