By John K Syers, Frits W T Penning de Vries
This publication offers an updated details on Vertisols study, and courses readers to big reference fabric. 4 keynote papers and 8 kingdom papers and nationwide views at the administration of Vertisols in Malawi, South Africa, Sudan, Tanzania, Zambia, Zimbabwe, Ghana and Ethiopia are awarded. foreign views at the administration of (Vertisols in India, Australia and Texas, united states) also are mentioned. to be had In Print
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However the BBF technique allows better drainage, earlier planting and double cropping. 2 m apart. This implement is made from two unmodified traditional Ethiopian ploughs, mareshas, with the addition of metal wings and a chain linking the two ploughs. Earlier models of the BBM proved expensive and difficult to procure, so after extensive trials and testing the BBM was further developed with a triangular design. By using the mareshas as the basis for the BBM, farmers do not need to invest in a completely new implement to form the broadbed.
They realized a tangible return to SWC). It is hoped that, as researchers, planners and extensionists use these newer and more flexible participatory approaches, there will be an improved adoption rate of SWC measures, leading to an improvement in the productivity and sustainability of farming systems. vp Wednesday, July 18, 2001 8:53:39 AM Color profile: Disabled Composite Default screen J. Hussein and M. Adey 36 Research and Extension: Needs and Opportunities As we consider all the points raised in our previous discussion, a number of ideas for further research and extension emerge: 1.
I Effects of surface conditions on soil movement within contour bay catchments. Australian Journal of Soil Research 24, 135–158. Hagmann, J. and Murwira, K. (1996) Indigenous Soil and Water Conservation in Southern Zimbabwe: a Study on Techniques, Historical Changes and Recent Developments under Participatory Research and Extension. Dryland Programme Paper No. 23, International Institute for Environment and Development, London, UK, 24 pp. , Chuma, E. and Gundani, O. (1996a) Acknowledging the Role of Gender in Agricultural Research and Extension.