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Optimization of Bio...
Optimization of Biofertilizer Formulation for Phosphorus Solubilizing by Pseudomonas fluorescens Ur21 via Response Surface Methodology
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- Barin, Mohsen (författare)
- Urmia University
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- Asadzadeh, Farrokh (författare)
- Urmia University
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- Hosseini, Masoumeh (författare)
- Urmia University
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- Hammer, Edith C. (författare)
- Lund University,Lunds universitet,MEMEG,Biologiska institutionen,Naturvetenskapliga fakulteten,Mikrobiologisk ekologi,Forskargrupper vid Lunds universitet,Department of Biology,Faculty of Science,Microbial Ecology,Lund University Research Groups
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- Ramesh, Vetukuri (författare)
- Sveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Alnarp,Institutionen för växtförädling,Department of Plant Breeding
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- Vahedi, Roghayeh (författare)
- Urmia University
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(creator_code:org_t)
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- 2022-03-27
- 2022
- Engelska 12 s.
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Ingår i: Processes. - : MDPI AG. - 2227-9717. ; 10:4
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http://dx.doi.org/10... (free)
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- This study aimed to analyze and quantify the effect of different ratios of vermicompost, phosphate rock, and sulfur on P solubilization and release by Pseudomonas fluorescens Ur21, and to identify optimal levels of those variables for an efficient biofertilizer. Twenty experiments were defined by surface response methodology based on a central composite design (CCD), and the effects of various quantities of vermicompost, phosphate rock, and sulfur (encoded by −1, 0, or +1) on P solubilization was explored. The results show that the CCD model had high efficiency for predicting P solubilization (R2 = 0.9035). The strongest effects of the included variables on the observed P solubilization were linear effects of sulfur and organic matter (vermicompost), a quadratic effect of phosphate rock, and an interactive effect of organic matter × phosphate rock. Statistical analysis of the coefficients in the CCD model revealed that vermicompost, vermicompost × phosphate rock, and phosphate rock × phosphate rock treatments increased P solubilization. The optimal predicted composition for maximal P solubilization by P. fluorescens Ur21 (at 1684.39 mg·kg−1, with more than 90% of the added phosphate dissolved) was 58.8% vermicompost, 35.3% phosphate rock, and 5.8% sulfur. ANOVA analysis confirmed the model’s accuracy and validity in terms of F value (10.41), p value (<0.001), and non-significant lack of fit.
Ämnesord
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Markvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Soil Science (hsv//eng)
Nyckelord
- biofertilizer
- central composite design
- modeling
- phosphate solubilizing bacteria
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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