Africa, المجلد 66،الأعداد 1-2Oxford University Press, 1996 Includes Proceedings of the Executive council and List of members, also section "Review of books". |
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النتائج 1-3 من 76
الصفحة 62
... crop , it also weeds the current year's major subsistence crop ( sorghum is still the staple food ) , and buttresses the sorghum against wind damage . This allows crop rotation to take place in overlapping successive growing cycles ...
... crop , it also weeds the current year's major subsistence crop ( sorghum is still the staple food ) , and buttresses the sorghum against wind damage . This allows crop rotation to take place in overlapping successive growing cycles ...
الصفحة 78
... crop repertoire was the same and all crops could be grown in each locality . If market location were the dominant force in changing cropping we might expect these differences to have diminished over twenty years as transport has ...
... crop repertoire was the same and all crops could be grown in each locality . If market location were the dominant force in changing cropping we might expect these differences to have diminished over twenty years as transport has ...
الصفحة 80
... crop in the cycle in 1968 , so some very bushy , partly harvested fields of cassava were not measured . At the local level the process is better termed ' weighting ' than specialisation because it has no necessary progressive dynamic ...
... crop in the cycle in 1968 , so some very bushy , partly harvested fields of cassava were not measured . At the local level the process is better termed ' weighting ' than specialisation because it has no necessary progressive dynamic ...
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