In shallow soil, the plants remain shrubby and must be widely spaced to allow for their lateral root growth. Artificial regeneration aiming at large-scale nursery production requires full use of the germination capacity of the available seeds. This may be achieved by sulfuric acid pretreatment, which brings about the germination of all viable seeds. Treatment with boiling water is selective and mainly breaks the dormancy of bruchid-infested seeds, some of which are no longer able to germinate. Sowing of unripe seeds without pretreatment may be called for as an emergency measure in case of very severe infestation, to achieve at least partial success.
Seedlings require initial weeding to facilitate faster growth.
Plantations can be spaced at 3 x 3 m. Harvesting Firewood harvested as needed, but 10-year rotations are suggested. Since the tree coppices well, there is no need to replant after every harvest. An average tree yields 6 kg pods of which 2.6 kg is clean seed. It is one of the main firewood and charcoal sources in parts of Africa, e.g. around Khartoum. Nitrogen-fixing nodules are reported in South Africa and Zimbabwe.