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Efficiency of phosphate-solubilizing bacteria to address phosphorus fixation in Takhli soil series: a case of sugarcane cultivation, Thailand

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Abstract

Aim

The efficiency test of phosphate-solubilizing bacteria (PSB) biofertilizer had two objectives: (i) to study the effect of the use of PSB on phosphate solubilization of the Takhli (Tk) soil series in soil columns and, (ii) to study their impact on sugarcane (cv. Lampang) cultivation in pots.

Methods

PSB were identified and examined for phosphate-solubilizing activity on culture medium. In soil columns, the available phosphorus was analyzed from leached water. In pots, the yield and yield components of sugarcane were measured at age 12 months.

Results

The PSB belonged to the Bacillus group. The use of PSB at a rate of 64 g kg−1 in the Tk soil series produced the highest available phosphorus at 30.00 mg L−1 at 90 days under the soil column. PSB with chemical fertilizers according to soil analysis improved the yield and yield components of sugarcane with increasing rates of PSB. The maximum yield of sugarcane was produced with N:P:K chemical fertilizer (47:47:47 kg ha−1) with the PSB rate of 225 kg ha−1.

Conclusions

Application of PSB can address the problem of phosphorus fixation in the Takhli soil series. Furthermore, the PSB had the ability to promote the yield and yield components of sugarcane cultivation in pots.

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Abbreviations

PSB:

Phosphate-solubilizing bacteria

PVC:

Polyvinylchloride

Tk:

Takhli soil series

EC:

Electrical conductivity

pH:

Potential of hydrogen

Dw:

Dry weight

PKV:

Pikovskaya agar medium

GYA:

Glucose yeast extract agar

NBRIP:

National Botanical Research Institute’s phosphate growth medium

16S rRNA:

16S ribosomal RNA

PCR:

Polymerase chain reaction

FIDOA :

Chemical fertilizer input according to soil analysis

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Acknowledgements

This research was financially supported by an Academic Development Project between the Department of Soil Science, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus and the JPP Agro (Thailand) Company.

Funding

This study was funded by the Department of Soil Science, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University Kamphaeng Saen Campus and the JPP Agro (Thailand) Company (grant number 00126/59).

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Correspondence to Sirinapa Chungopast.

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The authors declare that they have no conflict of interest.

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Responsible Editor: Lucas Silva.

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Chungopast, S., Thongjoo, C., Islam, A.K.M.M. et al. Efficiency of phosphate-solubilizing bacteria to address phosphorus fixation in Takhli soil series: a case of sugarcane cultivation, Thailand. Plant Soil 460, 347–357 (2021). https://doi.org/10.1007/s11104-020-04812-w

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  • DOI: https://doi.org/10.1007/s11104-020-04812-w

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