Articles | Volume 12, issue 15
https://doi.org/10.5194/bg-12-4607-2015
https://doi.org/10.5194/bg-12-4607-2015
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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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.
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