Seed coats can also be scratched or nicked with a file or nail clipper. Treated seed should be planted to a depth of 0.5 cm. Seedlings can be produced either by direct seeding or in a nursery. A nursery phase of 10-12 weeks is recommended. Soil should not be allowed to dry between sowing and germination.
Young plants require protection from grazing animals.
Trees grow poorly in tropical areas, except at high altitudes. In such areas the species A. ampliceps , a valuable alkaline soil fodder tree, may prove a more acceptable alternative. Pests and Diseases. Older plants are susceptible to gall rust, Uromycladium tepperianum and various gall-exploiting insects. Rodents sometimes attack the roots.