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Journal of Tropical Agriculture, Food, Environment and Extension

ISSN 1119-7455
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Article No 3 of Volume 7.3 (2008)

Asadu1 C. L.A, Nweke2 F.I. and   Enete3 A. A.

1Department of Soil Science, University of Nigeria, Nsukka, Nigeria

2Department of Agricultural Economics, Michigan State University, East Lansing, USA

3Department of Agricultural Economics, University of Nigeria, Nsukka, Nigeria



Population and market pressures are generally accompanied by land use intensification practices such as reduced fallow and increased soil fertility maintenance strategies. However, the extent to which these soil maintenance strategies are adequate compared to natural soil fertility regeneration through fallowing needs to be established. This paper compares soil properties between high and low population pressure areas on one hand and between good and poor market access areas on the other, with the aim of examining the effect of intensification on them. The study that generated the primary data was carried out in sub-Saharan African countries within the framework of the Collaborative Study of Cassava in Africa (COSCA). The result of the analysis showed that although the use of all the soil maintenance strategies increased with population and market pressure, soils of the high population density and good market access areas were found to be generally poorer than those of the low population density and poor market access areas. This suggests that the intensification practices in the high population density and good market access areas are not adequate enough to counter the effect of short/no fallow. This underscores the need for credit availability to smallholder farmers to enable them apply the required specification of soil maintenance practices.      


Keywords: Farming-System,   Intensification , Soil –Properties, Sub -Saharan Africa

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