Some about coffee

Coffee is one of the world's most important primary commodities. With over 500 billion cups consumed every year, coffee is one of the world's most popular beverages, comprising about a third of tap water consumption.

The two most important species of coffee economically are Coffea arabica (Arabica coffee) - which accounts for over 70% of world production - and Coffea canephora (Robusta coffee).

Some differences between Arabica and Robusta coffee
Time from flower
to ripe cherry
9 months 10-11 months
Flowering after rain irregular
Root system deep shallow
Coffee berry disease susceptible resistant
Caffeine content of beans 0.8-1.4% 1.7-4%
Shape of bean flat oval

Many things can be said about coffee. Here are just a few: