Paper · 2014 · Universiti Putra Malaysia Institutional Repository (Universiti Putra Malaysia)

Assessment of phosphorus use efficiency and various phosphorus application methods on wheat in calcarious soil

Qurban Ali Panhwar; Ambreen Rajput; Umme Aminun Naher; et al.

7
claims
14
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

Phosphorus has been recognized as an essential constituent for plants. A field experiment was conducted in calcareous soil to evaluate the phosphorus fertilizer use efficiency (PFUE), P uptake and plant growth yield through different P fertilizer application on wheat crop. The treatments were: T1 (control); T2, 80 kg ha-1 P2O5 broadcasting method; T3, 80 kg ha-1 P2O5 banding (applied with 1% H2SO4 at the 1st irrigation); T4, 60 kg ha-1 P2O5 banding; T5, 60 kg ha-1 P2O5 banding (applied with 1% H2SO4 at 1st irrigation); T6, 40 kg banding + 20 kg ha-1 P2O5 top dressing (applied with 1% H2SO4 at the 1st irrigation); and T7, 40 kg ha-1 P2O5 banding applied with 1% H2SO4 at the 1st irrigation. The result showed that the band plus acid treatment was more effective than broadcasting method of application. There were no significant differences found among the various banding applications. However, significant differences were observed among the various application methods, in terms of PUE, grain nutrient ratio (GNR), P uptake and VCR. Significantly high PFUE (straw 8.52% and grain 17.48%), GNR (13.5%), P uptake (straw 4.21, and grain 8.18 kg ha-1) and VCR were found using 40 kg banding + 20 kg ha-1 P2O5 top dressing method along with 1% H2SO4.

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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 7

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Band placement with acid was more effective than broadcasting phosphorus.

Treatment
band plus acide1
Outcome
effectivee1
Direction
moree1
Comparator
broadcasting method of applicatione1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“different P fertilizer application on wheat crop”

✓ located verbatim in the source · abstract, characters 224–272 · show in text ↑
e1

“The result showed that the band plus acid treatment was more effective than broadcasting method of application”

✓ located verbatim in the source · abstract, characters 698–808 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

No significant differences were found among the various banding applications.

Treatment
various banding applicationse2
Outcome
differencese2
Direction
no significante2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“different P fertilizer application on wheat crop”

✓ located verbatim in the source · abstract, characters 224–272 · show in text ↑
e2

“There were no significant differences found among the various banding applications”

✓ located verbatim in the source · abstract, characters 810–892 · show in text ↑
Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Significant differences were observed among application methods for PUE, grain nutrient ratio, P uptake and VCR.

Treatment
various application methodse3
Outcome
PUE, grain nutrient ratio (GNR), P uptake and VCRe3
Direction
significant differencese3

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“different P fertilizer application on wheat crop”

✓ located verbatim in the source · abstract, characters 224–272 · show in text ↑
e3

“However, significant differences were observed among the various application methods, in terms of PUE, grain nutrient ratio (GNR), P uptake and VCR.”

✓ located verbatim in the source · abstract, characters 894–1042 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The 40 kg banding plus 20 kg top dressing method with 1% H2SO4 gave significantly high PFUE.

Treatment
40 kg banding + 20 kg ha-1 P2O5 top dressing method along with 1% H2SO4e4
Outcome
PFUEe4
Direction
highe4
Value
straw 8.52% and grain 17.48%e4

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“different P fertilizer application on wheat crop”

✓ located verbatim in the source · abstract, characters 224–272 · show in text ↑
e4

“Significantly high PFUE (straw 8.52% and grain 17.48%), GNR (13.5%), P uptake (straw 4.21, and grain 8.18 kg ha-1) and VCR were found using 40 kg banding + 20 kg ha-1 P2O5 top dressing method along with 1% H2SO4”

✓ located verbatim in the source · abstract, characters 1043–1254 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The same method gave significantly high grain nutrient ratio of 13.5%.

Treatment
40 kg banding + 20 kg ha-1 P2O5 top dressing method along with 1% H2SO4e4
Outcome
GNRe4
Direction
highe4
Value
13.5%e4

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“different P fertilizer application on wheat crop”

✓ located verbatim in the source · abstract, characters 224–272 · show in text ↑
e4

“Significantly high PFUE (straw 8.52% and grain 17.48%), GNR (13.5%), P uptake (straw 4.21, and grain 8.18 kg ha-1) and VCR were found using 40 kg banding + 20 kg ha-1 P2O5 top dressing method along with 1% H2SO4”

✓ located verbatim in the source · abstract, characters 1043–1254 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The same method gave higher P uptake in straw and grain.

Treatment
40 kg banding + 20 kg ha-1 P2O5 top dressing method along with 1% H2SO4e4
Outcome
P uptakee4
Direction
higherinferrede4
Value
straw 4.21, and grain 8.18 kg ha-1e4

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“different P fertilizer application on wheat crop”

✓ located verbatim in the source · abstract, characters 224–272 · show in text ↑
e4

“Significantly high PFUE (straw 8.52% and grain 17.48%), GNR (13.5%), P uptake (straw 4.21, and grain 8.18 kg ha-1) and VCR were found using 40 kg banding + 20 kg ha-1 P2O5 top dressing method along with 1% H2SO4”

✓ located verbatim in the source · abstract, characters 1043–1254 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The same method gave higher VCR.

Treatment
40 kg banding + 20 kg ha-1 P2O5 top dressing method along with 1% H2SO4e4
Outcome
VCRe4
Direction
higherinferrede4

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“different P fertilizer application on wheat crop”

✓ located verbatim in the source · abstract, characters 224–272 · show in text ↑
e4

“Significantly high PFUE (straw 8.52% and grain 17.48%), GNR (13.5%), P uptake (straw 4.21, and grain 8.18 kg ha-1) and VCR were found using 40 kg banding + 20 kg ha-1 P2O5 top dressing method along with 1% H2SO4”

✓ located verbatim in the source · abstract, characters 1043–1254 · show in text ↑

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959 papers: 854 positive, 105 negative or no effect

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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.