Articles | Volume 12, issue 15
Research article
05 Aug 2015
Research article |  | 05 Aug 2015

Mineralization of soluble P fertilizers and insoluble rock phosphate in response to phosphate-solubilizing bacteria and poultry manure and their effect on the growth and P utilization efficiency of chilli (Capsicum annuum L.)

M. K. Abbasi, N. Musa, and M. Manzoor

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Cited articles

Abbasi, M. K., Manzoor, M., and Tahir, M. M.: Efficiency of Rhizobium inoculation and P fertilization in enhancing nodulation, seed yield and P use efficiency by field grown soybean under hilly region of Rawalakot Azad Jammu and Kashmir, Pakistan, J. Plant Nutr., 33, 1080–1102, 2010.
Abbasi, M. K., Mansha, S., Rahim, N., and Ali, A.: Agronomic effectiveness and phosphorus utilization efficiency of rock phosphate applied to winter wheat, Agron. J., 105, 1606–1612, 2013.
Abd-Alla, M. H. and Omar, S. A.: Survival of rhizobia/bradyrhizobia and a rock-phosphate-solubilizing fungus Aspergillus niger on various carriers from some agro-industrial wastes and their effects on nodulation and growth of faba bean and soybean, J. Plant Nutr., 24, 261–272, 2001.
Adesanwo, O. O., Adetunji, M. T., and Diatta, S.: Effect of legume incorporation on solubilization of Ogun phosphate rock on slightly acidic soils in SW Nigeria, J. Plant Nutr. Soil Sc., 175, 377–384, 2012.
Akande, M. O., Makinde, E. A., Oluwatoyinbo, F. I., and Adetunji, M. T.: Effects of phosphate rock application on dry matter yield and phosphorus recovery of maize and cowpea grown in sequence, Afr. J. Environ. Sci. Technol., 4, 293–303, 2010.
Short summary
P release capacity of soil amended with RP varied between 6.0–11.5 mg kg-1, while the soluble P fertilizers, i.e., SSP and DAP, displayed a maximum of 73 and 68 mg P kg-1 at the start of the experiment (day 0). However, the P release tendency from SSP and DAP declined during incubation and at the end 82 and 79% of P initially present had been lost from the mineral pool. Integrated use of PSB and PM with RP in ½RP+½PM+PSB treatment stimulated P mineralization by releasing a maximum of 25mg P kg-1.
Final-revised paper