What form of tillage is necessary in the semi-arid soils of Botswana

4 tables, graphs, photographs; 17 ref.

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Bibliographic Details
Main Authors: Willcocks, T.J. (National Inst. of Agricultural Engineering, Silsoe (UK)), FAO, Rome (Italy). Land and Water Development Div. eng, FAO Regional Seminar on Rainfed Agriculture in the Near East and North Africa eng 5 May 1979 Amman (Jordan), FAO, Cairo (Egypt). Regional Office for the Near East eng
Format: Texto biblioteca
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Published: Rome (Italy) FAO 1980
Subjects:DRY FARMING, TILLAGE, ENERGY, ARIDOCULTURE, TRAVAIL DU SOL, CULTIVO EN TIERRAS ARIDAS, LABRANZA, ENERGIE, ENERGIA,
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Summary:4 tables, graphs, photographs; 17 ref.