International arabica futures prices are on a tear at the moment, trading near four-year highs mostly because of falling output in Brazil, which accounts for up to half of the world's arabica supply.
"(We've) been having labor shortages over the last couple of harvests. Low prices play a role, its hard to improve wages," Juan Luis Barrios, president of Anacafe, told.
The east African country's is Africa's largest coffee exporter and earnings from the crop constitute the second largest source foreign exchange after gold.
Shipments in March rose to 572,839 60-kg bags compared to exports in the same period 12 months earlier, state-run Uganda Coffee Development Authority (UCDA) said in a report.