What form of tillage is necessary in the semi-arid soils of Botswana
4 tables, graphs, photographs; 17 ref.
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Main Authors: | , , , |
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Format: | Texto biblioteca |
Language: | |
Published: |
Rome (Italy) FAO
1980
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Subjects: | DRY FARMING, TILLAGE, ENERGY, ARIDOCULTURE, TRAVAIL DU SOL, CULTIVO EN TIERRAS ARIDAS, LABRANZA, ENERGIE, ENERGIA, |
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