Every coffee farm in the world, even the most reputable one, will produce good and bad quality beans. Therefore, separating the bigger, heavier and denser beans from those lighter and defective ones, is key to maximize the benefit of the farmer.
In Kenya, after a certain lot has been processed, it will be delivered to the Marketing Agent (MA) in parchment by the farmer or cooperative. The MA will then mill and grade the lot by shape and size, and give this particular lot an unique "Outturn Number" (ON), before delivering it to the Nairobi Coffee Exchange. This ON system will be crucial to provide transparency and traceability to the system.
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