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Phosphorus Mobility in a Soil with Long Term Manure Application

Author

Listed:
  • Abimbola Ojekanmi
  • Dupe Ige
  • Xiying Hao
  • Oluwole Akinremi

Abstract

The objective of this experiment was to determine the movement of different forms of phosphorus (P) in a clay loam soil with 33 years of manure application at the rate of 0, 30, 60 and 120 Mg ha-1yr-1. Soil samples were taken from 3 soil layers and subjected to leaching in packed soil column. Leachate was analyzed for total (Pt), inorganic (Pi) and organic P (Po). Inorganic P accounted for about 70% of leachate Pt. About 50% of Pt in leachate was lost within the first 5 pore-volume (PV). While 2% of soil total P was lost in 20 PV of leachate from the control soil, 5-7% was lost from the manure amended soil. The amount of P lost in the leachate increased with the rate of manure application but decreased with soil depth. This column leaching study showed that P could be lost through leaching especially at high rate of manure application. Irrigation activity enhanced in situ movement of P down the soil profile.

Suggested Citation

  • Abimbola Ojekanmi & Dupe Ige & Xiying Hao & Oluwole Akinremi, 2011. "Phosphorus Mobility in a Soil with Long Term Manure Application," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 3(3), pages 1-25, September.
    • Handle: RePEc:ibn:jasjnl:v:3:y:2011:i:3:p:25
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    More about this item

    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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