Trends in food production under the taungya system

by 82554 Kealey, K.M., 82575 Kebaara, K.K., 100003 NYAGA, C.R.J., 83017 Kilewe, A.M., 9447 ICRAF, Nairobi (Kenia), 9447 ICRAF, Nairobi (Kenia), 36378 National Seminar on Agroforestry, Nairobi (Kenia), 7-16 nov. 1988