There are trees suited for each climate. Perhaps the university should research that. A tree only needs care in the initial years. They can water them and that will look so good with tree cover.There are trees already planted, Dodoma have a Semiarid Climate, characterized by short Thorny bushes and scattered trees like Acacia
It is among the regions receiving the lowest annual rains. So even the trees planted will experience very slow rate of growth sababu inamwagiliwa, do not expect to see rainforest in Dodoma.