Development of Criteria and Methods for Improving the Efficiency of Soil Management and Tillage Operations, with Special Reference to Arid and Semiarid Regions. II: Report on the Observations of the Activities of a Local Farmer near Niono, Mali, Summer 1979.
Hoogmoed, W.B.; Kievit, D.T.I.
Tillage Laboratory, Agricultural University, Wageningen; Hebrew University of Jerusalem