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Nemba station lies in the northern province of Kayanza. Each washing station is managed and lead by an agronomist. This agronomist oversees the implementation of good agricultural practice and farmer education. They collaborate with the producers to ensure they have access to the necessary farming tools. The agronomist also helps farmers determine and implement the practices best suited to the specific growing conditions of their farming plots.

Nemba uses a monitoring system to ensure traceability all along the production and processing chain. All 3,000+ producers are smallholders who own an average of 150 coffee trees. The farms delivering cherry to Nemba are all located around 1,700+ meters above sea level, near the Kibila forest. The washing station has over two hundred drying tables and can process up to 750 metric tons of coffee cherry annually. Nemba also participates in a number of farmer outreach and support projects include a goat and pig project, Farmer Hub, strengthening cooperatives and distributing fertilizer and coffee trees.

Quality assurance begins as soon as farmers deliver their cherry. Cherries are wet processed under constant supervision. The pulping, fermentation time, washing, grading in the channels and a final soaking is closely monitored. All cherry is floated in small buckets as a first step to check quality. Greenco still purchases floaters (damaged, underripe, etc) but immediately separates the two qualities and only markets floaters as B-quality cherry. After floating, the higher quality cherry is sorted again by hand to remove all damaged, underripe and overripe cherries.  After sorting, cherry is pulped within 6 hours of delivery. The coffee is then dry fermented for up to 12 hours and then washed in clean mountain water for 12 to 24 hours. Parchment is then soaked for an additional 12-18 hours before being dried on raised beds for 2 to 3 weeks.