But the real losers in this process have been the 500,000 workers who were once employed on the commercial farms.
Under colonial rule, about 2,500 large commercial farms and 250,000 peasants were involved in growing coffee.
The college has its own commercial farm, providing teaching and learning opportunities for students and staff.
Larger scale commercial farms are few and far between.
There are still a number of large commercial farms in the valley.
Within the designated white areas live the black workers and their families who provide the labour on commercial farms.
Between 1994 and 1998 the number of workers on commercial farms declined from 1.4 million to just 637,000.
On commercial farms, women work for around 63 hours a week.
The differences between these chickens and those from commercial farms are tremendous.
The virus appears to be limited to residential plants and not commercial farms.
Wörterbuch für landwirtschaftliche Begriffe