Livestock and sustainable nutrients cyling in mixed farming systems of Sub-Saharan African Vol. 1 : Conference Summary
Powell , J .M / Fernan dez -Rivera, S. ETAL
Livestock and sustainable nutrients cyling in mixed farming systems of Sub-Saharan African Vol. 1 : Conference Summary - Addis Ababa Int. Livestock Centre for Africa 1993 - vii, 50p pbk
Livestock -Breeding -Africa --Sub --Sahara
Agricultural Systems - Mixed -Africa -Sub Sahara
Livestock and sustainable nutrients cyling in mixed farming systems of Sub-Saharan African Vol. 1 : Conference Summary - Addis Ababa Int. Livestock Centre for Africa 1993 - vii, 50p pbk
Livestock -Breeding -Africa --Sub --Sahara
Agricultural Systems - Mixed -Africa -Sub Sahara