Paper · 2015 · SSRN Electronic Journal

Growth and yield response of wheat to irrigation at different growing stages

Md. Shahidul Islam; Md. Shahidul Islam; Hasan Mehraj; et al.

6
claims
30
verbatim quotes
3
citations
2
research areas
✓
Open access

Abstract

An experiment was conducted at the experimental field of Sher-e-Bangla Agricultural University, Bangladesh during November 2011 to March 2012 to study the growth and yield of wheat to irrigation stages. Four irrigation stages viz. I0: No irrigation; I1: Irrigation at crown root initiation (CRI) stage (18 DAS); I2: Irrigation at preflowering stage (45 DAS) and I3: Irrigation at both CRI and pre-flowering stage were used following Randomized Complete Block Design with three replications. Maximum number of tiller/hill (5.2), CGR (6.7 gm -2 day -1 ), RGR (0.03 gg -1 day -1 ), dry matter content (28.7%), number of spikes/hill (4.5), number of spikelets/spike (19.0), ear length (17.5), filled grains/spike (30.8), total grains/spike (32.9), weight of 1000-grains (47.1 g), grain yield (3.9 tha -1 ), straw yield (4.9 tha -1 ), biological yield (8.8 tha -1 ) and harvest index (45.9%) were found from I3 whereas minimum from I0. On the other hand, early flowering (70.6 days), maturity (107.2 days) and minimum number

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Claims 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Irrigation at both CRI and pre-flowering stages gave the maximum number of tillers per hill (5.2).

Treatment
Irrigation at both CRI and pre-flowering stagee3
Outcome
number of tiller/hille2
Direction
Maximume2
Value
5.2e2
Comparator
No irrigatione4
Setting
experimental field of Sher-e-Bangla Agricultural University, Bangladeshe1

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

e1

“An experiment was conducted at the experimental field of Sher-e-Bangla Agricultural University, Bangladesh”

✓ located verbatim in the source · abstract, characters 0–106 · show in text ↑
e2

“Maximum number of tiller/hill (5.2), CGR (6.7 gm -2 day -1 ), RGR (0.03 gg -1 day -1 ), dry matter content (28.7%), number of spikes/hill (4.5), number of spikelets/spike (19.0), ear length (17.5), filled grains/spike (30.8), total grains/spike (32.9), weight of 1000-grains (47.1 g), grain yield (3.9 tha -1 ), straw yield (4.9 tha -1 ), biological yield (8.8 tha -1 ) and harvest index (45.9%) were found from I3 whereas minimum from I0”

✓ located verbatim in the source · abstract, characters 491–929 · show in text ↑
e3

“I3: Irrigation at both CRI and pre-flowering stage”

✓ located verbatim in the source · abstract, characters 362–412 · show in text ↑
e4

“I0: No irrigation”

✓ located verbatim in the source · abstract, characters 231–248 · show in text ↑
t0

“Growth and yield response of wheat to irrigation at different growing stages”

✓ located verbatim in the source · title, characters 0–76 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Irrigation at both CRI and pre-flowering stages gave the maximum CGR (6.7 gm -2 day -1).

Treatment
Irrigation at both CRI and pre-flowering stagee3
Outcome
CGRe2
Direction
Maximume2
Value
6.7 gm -2 day -1e2
Comparator
No irrigatione4
Setting
experimental field of Sher-e-Bangla Agricultural University, Bangladeshe1

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

e1

“An experiment was conducted at the experimental field of Sher-e-Bangla Agricultural University, Bangladesh”

✓ located verbatim in the source · abstract, characters 0–106 · show in text ↑
e2

“Maximum number of tiller/hill (5.2), CGR (6.7 gm -2 day -1 ), RGR (0.03 gg -1 day -1 ), dry matter content (28.7%), number of spikes/hill (4.5), number of spikelets/spike (19.0), ear length (17.5), filled grains/spike (30.8), total grains/spike (32.9), weight of 1000-grains (47.1 g), grain yield (3.9 tha -1 ), straw yield (4.9 tha -1 ), biological yield (8.8 tha -1 ) and harvest index (45.9%) were found from I3 whereas minimum from I0”

✓ located verbatim in the source · abstract, characters 491–929 · show in text ↑
e3

“I3: Irrigation at both CRI and pre-flowering stage”

✓ located verbatim in the source · abstract, characters 362–412 · show in text ↑
e4

“I0: No irrigation”

✓ located verbatim in the source · abstract, characters 231–248 · show in text ↑
t0

“Growth and yield response of wheat to irrigation at different growing stages”

✓ located verbatim in the source · title, characters 0–76 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Irrigation at both CRI and pre-flowering stages gave the maximum RGR (0.03 gg -1 day -1).

Treatment
Irrigation at both CRI and pre-flowering stagee3
Outcome
RGRe2
Direction
Maximume2
Value
0.03 gg -1 day -1e2
Comparator
No irrigatione4
Setting
experimental field of Sher-e-Bangla Agricultural University, Bangladeshe1

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

e1

“An experiment was conducted at the experimental field of Sher-e-Bangla Agricultural University, Bangladesh”

✓ located verbatim in the source · abstract, characters 0–106 · show in text ↑
e2

“Maximum number of tiller/hill (5.2), CGR (6.7 gm -2 day -1 ), RGR (0.03 gg -1 day -1 ), dry matter content (28.7%), number of spikes/hill (4.5), number of spikelets/spike (19.0), ear length (17.5), filled grains/spike (30.8), total grains/spike (32.9), weight of 1000-grains (47.1 g), grain yield (3.9 tha -1 ), straw yield (4.9 tha -1 ), biological yield (8.8 tha -1 ) and harvest index (45.9%) were found from I3 whereas minimum from I0”

✓ located verbatim in the source · abstract, characters 491–929 · show in text ↑
e3

“I3: Irrigation at both CRI and pre-flowering stage”

✓ located verbatim in the source · abstract, characters 362–412 · show in text ↑
e4

“I0: No irrigation”

✓ located verbatim in the source · abstract, characters 231–248 · show in text ↑
t0

“Growth and yield response of wheat to irrigation at different growing stages”

✓ located verbatim in the source · title, characters 0–76 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Irrigation at both CRI and pre-flowering stages gave the maximum grain yield (3.9 t ha-1).

Treatment
Irrigation at both CRI and pre-flowering stagee3
Outcome
grain yielde2
Direction
Maximume2
Value
3.9 tha -1e2
Comparator
No irrigatione4
Setting
experimental field of Sher-e-Bangla Agricultural University, Bangladeshe1

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

e1

“An experiment was conducted at the experimental field of Sher-e-Bangla Agricultural University, Bangladesh”

✓ located verbatim in the source · abstract, characters 0–106 · show in text ↑
e2

“Maximum number of tiller/hill (5.2), CGR (6.7 gm -2 day -1 ), RGR (0.03 gg -1 day -1 ), dry matter content (28.7%), number of spikes/hill (4.5), number of spikelets/spike (19.0), ear length (17.5), filled grains/spike (30.8), total grains/spike (32.9), weight of 1000-grains (47.1 g), grain yield (3.9 tha -1 ), straw yield (4.9 tha -1 ), biological yield (8.8 tha -1 ) and harvest index (45.9%) were found from I3 whereas minimum from I0”

✓ located verbatim in the source · abstract, characters 491–929 · show in text ↑
e3

“I3: Irrigation at both CRI and pre-flowering stage”

✓ located verbatim in the source · abstract, characters 362–412 · show in text ↑
e4

“I0: No irrigation”

✓ located verbatim in the source · abstract, characters 231–248 · show in text ↑
t0

“Growth and yield response of wheat to irrigation at different growing stages”

✓ located verbatim in the source · title, characters 0–76 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Irrigation at both CRI and pre-flowering stages gave the maximum harvest index (45.9%).

Treatment
Irrigation at both CRI and pre-flowering stagee3
Outcome
harvest indexe2
Direction
Maximume2
Value
45.9%e2
Comparator
No irrigatione4
Setting
experimental field of Sher-e-Bangla Agricultural University, Bangladeshe1

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

e1

“An experiment was conducted at the experimental field of Sher-e-Bangla Agricultural University, Bangladesh”

✓ located verbatim in the source · abstract, characters 0–106 · show in text ↑
e2

“Maximum number of tiller/hill (5.2), CGR (6.7 gm -2 day -1 ), RGR (0.03 gg -1 day -1 ), dry matter content (28.7%), number of spikes/hill (4.5), number of spikelets/spike (19.0), ear length (17.5), filled grains/spike (30.8), total grains/spike (32.9), weight of 1000-grains (47.1 g), grain yield (3.9 tha -1 ), straw yield (4.9 tha -1 ), biological yield (8.8 tha -1 ) and harvest index (45.9%) were found from I3 whereas minimum from I0”

✓ located verbatim in the source · abstract, characters 491–929 · show in text ↑
e3

“I3: Irrigation at both CRI and pre-flowering stage”

✓ located verbatim in the source · abstract, characters 362–412 · show in text ↑
e4

“I0: No irrigation”

✓ located verbatim in the source · abstract, characters 231–248 · show in text ↑
t0

“Growth and yield response of wheat to irrigation at different growing stages”

✓ located verbatim in the source · title, characters 0–76 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Irrigation at both CRI and pre-flowering stages gave the maximum weight of 1000 grains (47.1 g).

Treatment
Irrigation at both CRI and pre-flowering stagee3
Outcome
weight of 1000-grainse2
Direction
Maximume2
Value
47.1 ge2
Comparator
No irrigatione4
Setting
experimental field of Sher-e-Bangla Agricultural University, Bangladeshe1

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

e1

“An experiment was conducted at the experimental field of Sher-e-Bangla Agricultural University, Bangladesh”

✓ located verbatim in the source · abstract, characters 0–106 · show in text ↑
e2

“Maximum number of tiller/hill (5.2), CGR (6.7 gm -2 day -1 ), RGR (0.03 gg -1 day -1 ), dry matter content (28.7%), number of spikes/hill (4.5), number of spikelets/spike (19.0), ear length (17.5), filled grains/spike (30.8), total grains/spike (32.9), weight of 1000-grains (47.1 g), grain yield (3.9 tha -1 ), straw yield (4.9 tha -1 ), biological yield (8.8 tha -1 ) and harvest index (45.9%) were found from I3 whereas minimum from I0”

✓ located verbatim in the source · abstract, characters 491–929 · show in text ↑
e3

“I3: Irrigation at both CRI and pre-flowering stage”

✓ located verbatim in the source · abstract, characters 362–412 · show in text ↑
e4

“I0: No irrigation”

✓ located verbatim in the source · abstract, characters 231–248 · show in text ↑
t0

“Growth and yield response of wheat to irrigation at different growing stages”

✓ located verbatim in the source · title, characters 0–76 · show in text ↑

crown compound · growth · Triticum aestivum (wheat)Positive and negative results

8 papers: 5 positive, 3 negative or no effect

4 papers in the same direction as this paper · 3 in the opposite direction

  1. negative
  2. negative
  3. negative

4 papers more in this group

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crown compound · yield · Triticum aestivum (wheat)Positive and negative results

37 papers: 30 positive, 7 negative or no effect

29 papers in the same direction as this paper · 6 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

33 papers more in this group

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irrigation · growth · Triticum aestivum (wheat)Positive and negative results

242 papers: 177 positive, 65 negative or no effect

176 papers in the same direction as this paper · 61 in the opposite direction · 4 reporting no difference from an alternative

  1. no effect
  2. negative
  3. no effect

238 papers more in this group

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irrigation · yield · Triticum aestivum (wheat)Positive and negative results

989 papers: 798 positive, 191 negative or no effect

797 papers in the same direction as this paper · 184 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
  2. negative
  3. no effect

985 papers more in this group

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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.