IIRR And ACT, 2005. Conservation Agriculture. A Manual For Farmers And Extension Workers In Africa. International Institute Of Rural Re-construction,
Citation
Africa Conservation Tillage Network, Gitau, A.N.. 2005. IIRR and ACT, 2005. Conservation agriculture. A manual for farmers and extension workers in Africa. International Institute of Rural Re-construction, Pgs 35-62; 229. ISBN 9966-9705-9-2. . , Harare: Africa Conservation Tillage Network,Publisher
Envrironmental and Biosystems Engineering