HORTICULTURE

Detailed explanation-1: -Deserts get about 250 millimeters (10 inches) of rain per year-the least amount of rain of all of the biomes.

Detailed explanation-2: -Most experts agree that a desert is an area of land that receives no more than 25 centimeters (10 inches) of precipitation a year. The amount of evaporation in a desert often greatly exceeds the annual rainfall.

Detailed explanation-3: -The classic definition of a desert is an area which receives less than 10 inches of rain per year. During the 1930s there were large parts of the High Plains which saw entire years go by with less than 10 inches of precipitation. They essentially became a desert.

Detailed explanation-4: -The world’s lowest average yearly precipitation in 0.03” (0.08 cm) during a 59-year period at Arica Chile. Lane notes that no rainfall has ever been recorded at Calama in the Atacama Desert, Chile.

Detailed explanation-5: -Although precipitation is highly variable, it averages about 3 inches (76 millimetres) per year. Most precipitation falls from December through March. Another maximum occurs in August, characterized by thunderstorms.