| Autor: |
W Ubi, A. U. Akpanidiok, Otu Ibor, M. W. Ubi |
| Rok vydání: |
2015 |
| Předmět: |
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| Zdroj: |
Global Journal of Agricultural Sciences; Vol 13, No 1 (2014); 27-33 |
| ISSN: |
1596-2903 |
| Popis: |
Oban Hills is located at Akamkpa in the Southern Senatorial District of Cross River, State, Nigeria. Phosphorus (P)-rich soil from the Hills is expected to have an effect on retention and distribution in the highly acidic soils surrounding the area inundated for several years. Phosphorus forms in the soils of the Hills varied with the year of deposition with the highest fraction being Ca-P. The low soil pH in the Oban Hills soils suggests that Ca-P may exist in a partially dissolved form and will be the primary source of P for vegetations around the area. The cation exchange capacity and pH of surface material from the Hills suggest a dominance of primary minerals. Based on the amount of P available it seems that the Hills soils play a role in the overall P availability to the surrounding vegetation. A significant (P |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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