Abstract
A field experiment was conducted at Khomam, Guilan province, northern Iran, to evaluate the effects of phosphorus rate and phosphate bio-fertilizer on growth and yield of green bean (Phaseolus vulgaris L.). The experimental design was a factorial arrangement of treatments based on a randomized complete block with four replicates. Factors were phosphorus fertilizer rates (0, 25, 50, 75, and 100 kg ha-1 as triple superphosphate) and phosphate bio-fertilizer application (seed inoculated with phosphate bio-fertilizer containing Pseudomonas fluorescens strain P5 and strain p13, and non-inoculated (control). Analysis of variance showed that phosphorus rate and phosphate bio-fertilizer had significant effect on plant height, pod number per plant, pod yield and pod N and P concentration. The relationships between phosphorus application rate and pod number per plant and pod yield were well expressed by linear equations. Regardless of phosphate bio-fertilizer application, pod number per plant was significantly increased from 55 to 85 pods per plant as P application rate increased from 0 to 100 kg ha-1. Similarly, pod yield increased linearly with increasing P application rate from 0 to 100 kg ha-1. Regardless of phosphorus rate, pod number per plant and pod yield were significantly higher in plots that received phosphate bio-fertilizer compared to control plots. Pod number per plant and pod yield increased by 16% and 15%, respectively, when phosphate bio-fertilizer was applied. Based on the results of this experiment, P application at the rate of 100 kg ha-1 along with phosphate bio-fertilizer are recommended for obtaining the greatest pod yield in green bean.
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Claims 15
Claim · model-written summary
Phosphorus rate or bio-fertilizer significantly affected green bean plant height.
Not reportedComparatorDirection
Verbatim
e0“phosphorus rate and phosphate bio-fertilizer had significant effect on plant height, pod number per plant, pod yield and pod N and P concentration”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Phosphorus rate or bio-fertilizer significantly affected green bean plant height.
Not reportedComparatorDirection
Verbatim
e0“phosphorus rate and phosphate bio-fertilizer had significant effect on plant height, pod number per plant, pod yield and pod N and P concentration”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Phosphorus rate or bio-fertilizer significantly affected green bean pod number per plant.
Not reportedComparatorDirection
Verbatim
e0“phosphorus rate and phosphate bio-fertilizer had significant effect on plant height, pod number per plant, pod yield and pod N and P concentration”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Phosphorus rate or bio-fertilizer significantly affected green bean pod number per plant.
Not reportedComparatorDirection
Verbatim
e0“phosphorus rate and phosphate bio-fertilizer had significant effect on plant height, pod number per plant, pod yield and pod N and P concentration”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Phosphorus rate or bio-fertilizer significantly affected green bean pod yield.
Not reportedComparatorDirection
Verbatim
e0“phosphorus rate and phosphate bio-fertilizer had significant effect on plant height, pod number per plant, pod yield and pod N and P concentration”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Phosphorus rate or bio-fertilizer significantly affected green bean pod yield.
Not reportedComparatorDirection
Verbatim
e0“phosphorus rate and phosphate bio-fertilizer had significant effect on plant height, pod number per plant, pod yield and pod N and P concentration”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Phosphorus rate or bio-fertilizer significantly affected green bean pod N and P concentration.
Not reportedComparatorDirection
Verbatim
e0“phosphorus rate and phosphate bio-fertilizer had significant effect on plant height, pod number per plant, pod yield and pod N and P concentration”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Phosphorus rate or bio-fertilizer significantly affected green bean pod N and P concentration.
Not reportedComparatorDirection
Verbatim
e0“phosphorus rate and phosphate bio-fertilizer had significant effect on plant height, pod number per plant, pod yield and pod N and P concentration”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Phosphorus application rate had a linear relation with green bean pod number.
Not reportedDirection
Verbatim
e0“The relationships between phosphorus application rate and pod number per plant and pod yield were well expressed by linear equations”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Phosphorus application rate had a linear relation with green bean pod yield.
Not reportedDirection
Verbatim
e0“The relationships between phosphorus application rate and pod number per plant and pod yield were well expressed by linear equations”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Green bean pod number rose from 55 to 85 pods per plant with phosphorus rate increasing from 0 to 100 kg ha-1.
- Taxon
- Green beant0
- Treatment
- P application rate increased from 0 to 100 kg ha-1e0
- Outcome
- pod number per plante0
- Direction
- increasede0
- Value
- 55 to 85 pods per plante0
Not reportedComparator
Verbatim
e0“pod number per plant was significantly increased from 55 to 85 pods per plant as P application rate increased from 0 to 100 kg ha-1”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Green bean pod yield increased linearly as phosphorus application increased from 0 to 100 kg ha-1.
- Taxon
- Green beant0
- Treatment
- P application rate from 0 to 100 kg ha-1e0
- Outcome
- pod yielde0
- Direction
- increased linearlye0
Not reportedComparator
Verbatim
e0“pod yield increased linearly with increasing P application rate from 0 to 100 kg ha-1”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Bio-fertilizer increased green bean pod number by 16% relative to controls.
- Taxon
- Green beant0
- Treatment
- phosphate bio-fertilizere0
- Outcome
- Pod number per plante0
- Direction
- increasede0
- Value
- 16%e0
Not reportedComparator
Verbatim
e0“Pod number per plant and pod yield increased by 16% and 15%, respectively, when phosphate bio-fertilizer was applied”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
Bio-fertilizer increased green bean pod yield by 15% relative to controls.
- Taxon
- Green beant0
- Treatment
- phosphate bio-fertilizere0
- Outcome
- pod yielde0
- Direction
- increasede0
- Value
- 15%e0
Not reportedComparator
Verbatim
e0“Pod number per plant and pod yield increased by 16% and 15%, respectively, when phosphate bio-fertilizer was applied”
t0“Green bean (Phaseolus vulgaris L.)”
Claim · model-written summary
The authors recommend 100 kg ha-1 phosphorus with phosphate bio-fertilizer for greatest green bean pod yield.
Verbatim
e0“P application at the rate of 100 kg ha-1 along with phosphate bio-fertilizer are recommended for obtaining the greatest pod yield in green bean”
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152 papers in the same direction as this paper · 36 in the opposite direction · 6 reporting no difference from an alternative
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See all 195 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.