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Investigating the role of soil type, parcel proximity to village and the usage of manure in Nigerian land-use decisions ( with pictures and graphs )

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  1. Introduction.
  2. Conceptulization.
    1. Source data.
    2. Preferential soil cultivation.
    3. Land-use dynamic.
    4. Land-use dynamic vs. parcel proximity.
    5. Land-use dynamic vs. soil type.
    6. Manuring practices.
    7. Manuring practices vs. soil type.
    8. Manuring practices vs. land-use dynamic.
    9. Manuring practices vs. parcel proximity.
  3. Implementation.
    1. Preferential soil cultivation.
    2. Land-use dynamic vs. parcel proximity.
    3. Land-use dynamic vs. soil type.
    4. Manuring practices vs. parcel proximity.
  4. Results and discussion.
    1. Preferential soil cultivation.
    2. Land-use dynamic vs. parcel proximity.
    3. Land-use dynamic vs. soil type.
    4. Manuring practices vs. soil type.
    5. Manuring practices vs. land-use dynamic.
    6. Manuring practices vs. parcel proximity.
    7. General potential errors.
  5. Conclusion.

Extensive areas in Sudano-Sahelian West Africa are experiencing increasing population densities and cultivation pressure, insecure land tenure, low annual rainfall amounts (500-800 mm/yr), and soil infertility, all of which affect local cropping decisions. This detrimental trend has resulted from an expansion of population growth rates since the 1950s and migration from the dryer north to the moister south that began with the droughts of the early 1970s. Before the 1960s, increasing cultivation pressure was dealt with in the Sudano-Sahelian region by expanding cultivation efforts to adjacent uncropped parcels. Though the productivity of each parcel was less than desirable, cultivation demands could still be met by including a greater number of low-yielding parcels. Today, however, such expansion practices are virtually impossible since there are fewer suitable areas left uncropped than ever before. Lands that are less fertile or more sensitive to erosion are still frequently cultivated despite their poor condition because the demand for food in the region is so high.

[...] The two gradients are combined and this empirical ranking is used to group the soil types into five categories of soil aptitude to crop: - The loamy sands and clayed loams in colluvial and alluvial depression constitute the ?rich' soil group. These soils offer the highest potential for cropping; however, they are susceptible to flooding which can ruin the crop. Furthermore, the relatively fine texture of the soils makes them more difficult to till. - Thick sandy soils that are moderately leached constitute the ?fair' soil group. [...]


[...] The purpose of this project is to better understand the relationships between different factors affecting land-use decisions in this specific area, namely soil type, parcel proximity to village, and manuring practices. (See Appendix If the role of these factors in land-use change is better understood, the results can be applied toward the development of land-use policy for planning purposes.[2] The research questions for this project are: 1. Do local farmers favour cultivating one soil type over another? 2. Is the land-use dynamic influenced by proximity to village or soil type? [...]


[...] Appendix E H0: There is no significant relationship between manure frequency and proximity to villages in the population from which the sample has been drawn. HA: There is a significant relationship between manure frequency and proximity to villages in the population from which the sample has been drawn. ? 2 > ? 2 CR - H0 is rejected, therefore there is a significant relationship between manure frequency and proximity to villages. Indicated Bibliography provided by Oboulo.com United States Department of Agriculture, National Resources Conservation Service. [...]

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