The university is set within a 550 hectare (1360 acre) working farm. An average of 2000 cuttings can be planted per hectare (2.5 acres). The estate is built at very high residential density, over 250 persons/hectare (100/ acre). An orchard planting can yield 10 tonnes of berries per hectare. They can number up to a million per hectare (2.5 acres). Only helicopters can operate from HQ, EAC, using a 12.7 hectare (31.3 acre) helipad. Estimate of orchard planting with 2,500 trees per hectare. The global average yield is 6.2 tonnes/hectare but varies according to the region. IRIN estimated a population density of 2000 residents per hectare. Seventy thousand to 80,000 seedlings per hectare are required. The population density was 34.1 per hectare. There is also a vegetable plantation sized around one-fifteenth of a hectare (~700 sq m). Lima beans typically yield of seed and of biomass per hectare. Robusta is grown on small farms that average one hectare. It is mainly cultivated by small farmers in holdings of less than one hectare.