Abstract
A field experiment was conducted to investigate the effects of level of phosphorus application on brown blotch disease of cowpea during the planting seasons of 2001, 2002 and 2003. Application of phosphorus from Single Super Phosphate at 30, 60, 90, and 120 kg P2O5/ha significantly increased the number of petioles, pods, nodules, seed/pod leaf area and yield. The higher the level of application of phosphorus the higher values of all the parameters. Disease incidence and severity of brown blotch were significantly reduced at higher levels of phosphorus (90 and 120 kg/ha) irrespective of the method of application. Moreover, there were also increases in the grain yield of cowpea
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Claims 3
Claim · model-written summary
Increasing phosphorus raised petioles, pods and nodules.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- Application of phosphorus from Single Super Phosphate at 30, 60, 90, and 120 kg P2O5/hae0
- Outcome
- number of petioles, pods, nodulese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“cowpea”
e0“Application of phosphorus from Single Super Phosphate at 30, 60, 90, and 120 kg P2O5/ha significantly increased the number of petioles, pods, nodules, seed/pod leaf area and yield”
Claim · model-written summary
Increasing phosphorus raised seeds per pod, leaf area and yield.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- Application of phosphorus from Single Super Phosphate at 30, 60, 90, and 120 kg P2O5/hae0
- Outcome
- seed/pod leaf area and yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“cowpea”
e0“Application of phosphorus from Single Super Phosphate at 30, 60, 90, and 120 kg P2O5/ha significantly increased the number of petioles, pods, nodules, seed/pod leaf area and yield”
Claim · model-written summary
Higher phosphorus at 90 and 120 kg/ha reduced brown blotch incidence and severity.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- higher levels of phosphorus (90 and 120 kg/ha)e0
- Outcome
- Disease incidence and severity of brown blotche0
- Direction
- reducede0
- Qualifier
- irrespective of the method of applicatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“cowpea”
e0“Disease incidence and severity of brown blotch were significantly reduced at higher levels of phosphorus (90 and 120 kg/ha) irrespective of the method of application”
The same questions in other papers
phosphate · yield · Vigna unguiculata (cowpea)Results agree
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- positive
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- no effect
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106 papers in the same direction as this paper · 5 in the opposite direction · 1 reporting no difference from an alternative
- no effect
- no effect
- negative
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See all 113 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.