Agriculture in the oasis of the Manga Grasslands of semi-arid north-east Nigeria
2003
Alhassan, A.B. | Carter, R.C. | Audu, I
Peasant farmers in the Manga Grasslands of semi-arid north-east Nigeria depend largely on agriculture for their livelihood. However, recurrent drought since the early 1970s has disrupted the traditional farming systems of the region, and hence the agriculture-based rural economy of the Grasslands. There is evidence that farmers in the Grasslands are obliged to intensify crop production in areas with 'good' soils and 'adequate' water supply, that is, the oases. The rich organic soils and the shallow, semi-confined water table beneath the oases are precious natural resources for intensive agriculture. These do not come without a price, however, as the rich, organic soils have the potential to be contaminated by acid sulphate and salt. It is expected that future soil creation, particularly under dry climatic conditions, will lead to the formation of true acid sulphate soils, and consequently, the twin processes of soil acidification and salinization will present real management problems for sustainable agriculture. It is concluded however, that under the prevailing soil, hydrological and climatic conditions of the oasis, sustainable agricultural production remains elusive.
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