Abstract
Compared with the other major nutrients, phosphorus is by far the least mobile and available to plants in most soil conditions. Although phosphorus is abundant in soils in both organic and inorganic forms, it is frequently a major or even the prime limiting factor for plant growth. To circumvent phosphorus deficiency, phosphate-solubilising bacteria (PSB) would play an important role in supplying phosphate to plants in a more environmentally-friendly and sustainable manner. The organisms with phosphate-solubilising potential will increase the availability of soluble phosphate and will enhance plant growth. In this present study, the phosphate solubilising microorganisms isolated from different soil samples from Kodaikanal Hills were identified on Pikovskaya agar plates with clear zone around the colonies. From the observation the strain-I and strain-II identified as Psedumonas aureginosa and Bacillus megaterium. Both strains showed higher than 180 (phosphate solubilisation efficiency), and reduced PH from 8.0 to below 6.0 indicates high phosphate solubilising efficiency, increased organic acid production. The influence of this phosphate solubilises on the growth and metabolism of Pea Plants were analysed. According to the results obtained from comparative field trial conducted in Kodaikanal Hills, use of PSB bio fertilizer shows marked difference in soil fertility, better performance in yield and yield related characteristics observed in the field of pea plants. (Pisum sativum L)
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Claims 6
Claim · model-written summary
Two phosphate-solubilizing strains were identified as Psedumonas aureginosa and Bacillus megaterium.
Verbatim
e0“the strain-I and strain-II identified as Psedumonas aureginosa and Bacillus megaterium”
t0“PISUM SATIVUM L.”
Claim · model-written summary
Both strains had phosphate solubilisation efficiency above 180.
Verbatim
e0“Both strains showed higher than 180 (phosphate solubilisation efficiency)”
t0“PISUM SATIVUM L.”
Claim · model-written summary
Both strains reduced pH from 8.0 to below 6.0.
Verbatim
e0“reduced PH from 8.0 to below 6.0”
t0“PISUM SATIVUM L.”
Claim · model-written summary
The strains showed increased organic acid production.
Verbatim
e0“increased organic acid production”
t0“PISUM SATIVUM L.”
Claim · model-written summary
PSB bio fertilizer improved soil fertility in a comparative pea field trial.
- Taxon
- PISUM SATIVUM L.t0
- Treatment
- PSB bio fertilizere0
- Outcome
- soil fertilitye0
- Setting
- Kodaikanal Hillse0
Not reportedComparatorDirection
Verbatim
e0“comparative field trial conducted in Kodaikanal Hills, use of PSB bio fertilizer shows marked difference in soil fertility”
t0“PISUM SATIVUM L.”
Claim · model-written summary
PSB bio fertilizer improved pea yield and yield related characteristics in the field trial.
- Taxon
- PISUM SATIVUM L.t0
- Treatment
- PSB bio fertilizere0
- Outcome
- yield and yield related characteristicse0
- Direction
- bettere0
- Setting
- fielde0
Not reportedComparator
Verbatim
e0“use of PSB bio fertilizer shows marked difference in soil fertility, better performance in yield and yield related characteristics observed in the field of pea plants”
t0“PISUM SATIVUM L.”
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