Seven Tanzanians are currently at NMBU, primarily at Noragric and the Dept. of Ecology and Natural Resources Management (INA). They are funded through the CCIAM and EPINAV programmes and most are linked to specific projects.
You must be prepared to read a lot, write, understand and try to think outside your own experience. I would advise you to have an open mind about the problems in the world. There is never only one side of an issue, nor a single solution to the problem.