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Phosphorus Uptake and Use Efficiency by Cowpea in Phosphocompost and Chemical Fertilizer Treated Nutrient Degraded Acid Soils

Author

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  • Oyeyiola YB Author-Workplace-Department of Crop Production and Soil Science, Ladoke Akintola University of Technology Ogbomoso, Nigeria
  • Omueti JAI

    (Department of Agronomy, University of Ibadan, Nigeria)

Abstract

Phosphorus uptake on chemical fertilizer treated tropical soils is challenged by high phosphorus fixing and leaching potentials. Phosphocompost is a new organic fertilizer in Nigeria. Phosphorus uptake and use efficiency of phosphocompost was studied on two acid soils from Ilesha and Ogbomoso, Nigeria during 2012 and 2013 cropping seasons. Two phosphocompost: C1 and C2 applied at 2.5 and 5.0 t/ha were investigated. NPK 15:15:15 at 40 kg P2O5/ha, SSP (40 kg P2O5/ha) - urea mix (20 kg N/ha), sole SSP (40 kg P2O5/ha), sole lime (1 t/ha) and an unamended plot were compared. Cowpea was the test crop. Data were taken on soil available P, phosphorus uptake, phosphorus use efficiency (PUE), and relative agronomic efficiency using data on soil available P (RAEp) and cowpea dry shoot weight (RAEdsw)..

Suggested Citation

  • Oyeyiola YB Author-Workplace-Department of Crop Production and Soil Science, Ladoke Akintola University of Technology Ogbomoso, Nigeria & Omueti JAI, 2016. "Phosphorus Uptake and Use Efficiency by Cowpea in Phosphocompost and Chemical Fertilizer Treated Nutrient Degraded Acid Soils," Agricultural Research & Technology: Open Access Journal, Juniper Publishers Inc., vol. 1(5), pages 07-17, July.
    • Handle: RePEc:adp:artoaj:v:1:y:2016:i:5:p:07-17
    DOI: 10.19080/ARTOAJ.2015.02.555578
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