Abstract
SUMMARY A field experiment was conducted during 2012 to study the yield attributes and quality of cowpea (GC-5) as influenced by nitrogen and phosphorus levels on medium black soil of Gujarat. The experiment consisted of four treatments of nitrogen levels (control, 20, 30 and 40 kg/ha) and four treatments of phosphorus levels (control, 40, 60 and 80 kg P 2 O 5 /ha) thereby making 16 treatment combinations tested in factorial randomized block design with three replications. The results indicated that the application of nitrogen @ 40 kg/ha gave the maximum and significantly higher number of pods per plant, number of seeds per pod, test weight, seed yield, straw yield, biological yield, protein content, chlorophyll content and remained at par with 20 and 30 kg N/ha over control. The maximum net returns and BCR were found with the application of 20 kg N/ha. Results further indicated that the application of phosphorus @ 80 kg/ ha gave the maximum and significantly higher number of pods per plant, number of seeds per pod, test weight, seed, straw, biological yields, protein content, chlorophyll content and remained at par with 40 and 60 kg P 2 O 5 /ha over control. The maximum net returns and BCR were found with the application of 40 kg P 2 O 5 /ha. The combined application of nitrogen and phosphorus levels @ 20 and 40 kg P 2 O 5 /ha was significantly higher in terms of seed and straw yield over rest of the treatments.
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Claims 9
Claim · model-written summary
Nitrogen at 40 kg/ha gave the maximum and significantly higher pods per plant, seeds per pod and test weight of cowpea than the control, and remained at par with 20 and 30 kg N/ha.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- nitrogen @ 40 kg/hae0
- Outcome
- number of pods per plant, number of seeds per pod, test weighte1
- Direction
- highere0
- Comparator
- controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“quality of cowpea”
e0“nitrogen @ 40 kg/ha gave the maximum and significantly higher”
e1“number of pods per plant, number of seeds per pod, test weight, seed yield”
e2“30 kg N/ha over control”
Claim · model-written summary
Nitrogen at 40 kg/ha gave the maximum and significantly higher seed, straw and biological yield of cowpea than the control, at par with 20 and 30 kg N/ha.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- nitrogen @ 40 kg/hae0
- Outcome
- seed yield, straw yield, biological yielde1
- Direction
- highere0
- Comparator
- controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“quality of cowpea”
e0“nitrogen @ 40 kg/ha gave the maximum and significantly higher”
e1“seed yield, straw yield, biological yield”
e2“30 kg N/ha over control”
Claim · model-written summary
Nitrogen at 40 kg/ha gave the maximum and significantly higher protein and chlorophyll content of cowpea than the control, at par with 20 and 30 kg N/ha.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- nitrogen @ 40 kg/hae0
- Outcome
- protein content, chlorophyll contente1
- Direction
- highere0
- Comparator
- controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“quality of cowpea”
e0“nitrogen @ 40 kg/ha gave the maximum and significantly higher”
e1“protein content, chlorophyll content and remained at par with 20”
e2“30 kg N/ha over control”
Claim · model-written summary
Phosphorus at 80 kg/ha gave the maximum and significantly higher pods per plant, seeds per pod and test weight of cowpea than the control, at par with 40 and 60 kg P2O5/ha.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- phosphorus @ 80 kg/ hae0
- Outcome
- number of pods per plant, number of seeds per pod, test weighte1
- Direction
- highere0
- Comparator
- controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“quality of cowpea”
e0“phosphorus @ 80 kg/ ha gave the maximum and significantly higher”
e1“number of pods per plant, number of seeds per pod, test weight, seed, straw”
e2“60 kg P 2 O 5 /ha over control”
Claim · model-written summary
Phosphorus at 80 kg/ha gave the maximum and significantly higher seed, straw and biological yields of cowpea than the control, at par with 40 and 60 kg P2O5/ha.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- phosphorus @ 80 kg/ hae0
- Outcome
- seed, straw, biological yieldse1
- Direction
- highere0
- Comparator
- controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“quality of cowpea”
e0“phosphorus @ 80 kg/ ha gave the maximum and significantly higher”
e1“seed, straw, biological yields”
e2“60 kg P 2 O 5 /ha over control”
Claim · model-written summary
Phosphorus at 80 kg/ha gave the maximum and significantly higher protein and chlorophyll content of cowpea than the control, at par with 40 and 60 kg P2O5/ha.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- phosphorus @ 80 kg/ hae0
- Outcome
- protein content, chlorophyll contente1
- Direction
- highere0
- Comparator
- controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“quality of cowpea”
e0“phosphorus @ 80 kg/ ha gave the maximum and significantly higher”
e1“protein content, chlorophyll content and remained at par with 40”
e2“60 kg P 2 O 5 /ha over control”
Claim · model-written summary
The maximum net returns and benefit-cost ratio of cowpea were found with 20 kg N/ha.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- 20 kg N/hae0
- Outcome
- net returns and BCRe0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“quality of cowpea”
e0“The maximum net returns and BCR were found with the application of 20 kg N/ha”
Claim · model-written summary
The maximum net returns and benefit-cost ratio of cowpea were found with 40 kg P2O5/ha.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- 40 kg P 2 O 5 /hae0
- Outcome
- net returns and BCRe0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“quality of cowpea”
e0“The maximum net returns and BCR were found with the application of 40 kg P 2 O 5 /ha”
Claim · model-written summary
Combined application of nitrogen and phosphorus at 20 and 40 kg P2O5/ha gave significantly higher seed and straw yield of cowpea than the rest of the treatments.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- combined application of nitrogen and phosphorus levels @ 20 and 40 kg P 2 O 5 /hae0
- Outcome
- seed and straw yielde0
- Direction
- highere0
- Comparator
- rest of the treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“quality of cowpea”
e0“The combined application of nitrogen and phosphorus levels @ 20 and 40 kg P 2 O 5 /ha was significantly higher in terms of seed and straw yield over rest of the treatments”
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See all 6 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.