The overwhelming majority of farms in Kenya are between 1/4 acre and 3 acres. That means some of these "farms" are the size of a suburban home lot. Nairobi has a very interesting and popular auction system for selling coffee to the broader market. Up until 2006, it was illegal to sell coffee anywhere except for the coffee auction. In 2006, the Kenya government finally made it legal for coffee to be sold directly from the farm or co-op to coffee exporters, bypassing the auction system.
The Ngunguru Factory is a great resource to farmers in the area and is known as one of the highest quality washing stations in Kenya based on the high prices their coffees command at auction. In addition to providing farming input and training, members of the co-op also have the opportunity to receive seedlings from the factory that allow them to further improve their crop.