A Kenyan coffee farmer sits on drying nets at an abandoned coffee factory near Nyeri, Kenya, March 15, 2018.

Coffee berries are seen in an plantation in the town of Kirinyaga near Nyeri, Kenya, March 14, 2018. Reuters/Baz Ratner

An employee closes coffee bags at the Central Kenya Coffee Mill near Nyeri, Kenya, March 15, 2018. REUTERS/Baz Ratner

Coffee beans are seen at the Central Kenya Coffee Mill near Nyeri, Kenya, March 15, 2018.

A farmer examines his coffee plantation in Kirinyaga near Nyeri, Kenya, March 14, 2018. REUTERS/Baz Ratner

Coffee samples are seen at a laboratory at the Central Kenya Coffee Mill near Nyeri, Kenya, March 15, 2018.

An employee roasts coffee for testing at a laboratory at the Central Kenya Coffee Mill near Nyeri, Kenya, March 15, 2018.

An employee closes coffee bags at the Central Kenya Coffee Mill near Nyeri, Kenya, March 15, 2018.

Employees process coffee at the Central Kenya Coffee Mill near Nyeri, Kenya, March 15, 2018.

Coffee berries are seen in an plantation in Kirinyaga near Nyeri, Kenya, March 14, 2018.

Kenyan coffee farmer Moses Wachira sits at an abandoned coffee factory near Nyeri, Kenya, March 15, 2018.

An employee shows coffee beans at the Central Kenya Coffee Mill near Nyeri, Kenya, March 15, 2018.