Paper · 2011

Study on Yield and some Physiological Criteria of Pearl Millet under Effect of Drought Stress and Nitrogen Fertilizer

Mahmoud PooryousefMyandoab

7
claims
14
verbatim quotes
3
citations
2
research areas
—
Not open access

Abstract

In this research, the effect of drought stress were investigated on pearl millet (pennistumamericanuml .leek), three periods of irrigation (7,14 and 21 days period of irrigation ) an three level of nitrogen fertilizer (0, 150 and 300 kg/ha) in three replication were used yield, growth analysis and some physiological characteristics were studied. Some characteristics like total dry weight, leaf area index, leaf dry weight / total dry weight ratio, chlorophyll a,b were measured. Result showed that 21 day period of irrigation for this crop is enough and after establishment of the plant, there is no need to water the plant .300 kg /ha nitrogen fertilizer had The most effect on total dry weight as well. There were no statistics significance chlorophyll a, b and the total chlorophyll (a +b), between different periods of irrigation and nitrogen fertilizer. In general, results of growth analysis showed that 7 day period of irrigation and 300 kg / ha nitrogen fertilizer had the higher leaf area index. Result of growth analysis compared with total dry weight showed that after establishment of the plant 21 days period of irrigation as well as 300kg / ha nitrogen fertilizer will produce higher yield.

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Claims 7

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

A 21-day irrigation period is enough for pearl millet, with no need to water after plant establishment.

Taxon
pearl milletCenchrus americanuse0
Treatment
21 day period of irrigatione1
Outcome
enoughe1

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“pearl millet”

✓ located verbatim in the source · abstract, characters 68–80 · show in text ↑
e1

“21 day period of irrigation for this crop is enough”

✓ located verbatim in the source · abstract, characters 501–552 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen fertilizer at 300 kg/ha had the greatest effect on total dry weight of pearl millet.

Taxon
pearl milletCenchrus americanuse0
Treatment
300 kg /ha nitrogen fertilizere1
Outcome
total dry weighte1
Direction
The most effecte1

Not reportedComparator

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“pearl millet”

✓ located verbatim in the source · abstract, characters 68–80 · show in text ↑
e1

“300 kg /ha nitrogen fertilizer had The most effect on total dry weight”

✓ located verbatim in the source · abstract, characters 628–698 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Chlorophyll a, b and total chlorophyll did not differ significantly between irrigation periods.

Taxon
pearl milletCenchrus americanuse0
Treatment
different periods of irrigatione1
Outcome
chlorophyll a, b and the total chlorophyll (a +b)e1
Direction
no statistics significancee1

Not reportedComparator

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“pearl millet”

✓ located verbatim in the source · abstract, characters 68–80 · show in text ↑
e1

“There were no statistics significance chlorophyll a, b and the total chlorophyll (a +b), between different periods of irrigation and nitrogen fertilizer”

✓ located verbatim in the source · abstract, characters 708–860 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Chlorophyll a, b and total chlorophyll did not differ significantly between nitrogen fertilizer levels.

Taxon
pearl milletCenchrus americanuse0
Treatment
nitrogen fertilizere1
Outcome
chlorophyll a, b and the total chlorophyll (a +b)e1
Direction
no statistics significancee1

Not reportedComparator

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“pearl millet”

✓ located verbatim in the source · abstract, characters 68–80 · show in text ↑
e1

“There were no statistics significance chlorophyll a, b and the total chlorophyll (a +b), between different periods of irrigation and nitrogen fertilizer”

✓ located verbatim in the source · abstract, characters 708–860 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 7-day irrigation period gave the higher leaf area index in pearl millet.

Taxon
pearl milletCenchrus americanuse0
Treatment
7 day period of irrigatione1
Outcome
leaf area indexe1
Direction
highere1

Not reportedComparator

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“pearl millet”

✓ located verbatim in the source · abstract, characters 68–80 · show in text ↑
e1

“7 day period of irrigation and 300 kg / ha nitrogen fertilizer had the higher leaf area index”

✓ located verbatim in the source · abstract, characters 913–1006 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen fertilizer at 300 kg/ha gave the higher leaf area index in pearl millet.

Taxon
pearl milletCenchrus americanuse0
Treatment
300 kg / ha nitrogen fertilizere1
Outcome
leaf area indexe1
Direction
highere1

Not reportedComparator

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“pearl millet”

✓ located verbatim in the source · abstract, characters 68–80 · show in text ↑
e1

“7 day period of irrigation and 300 kg / ha nitrogen fertilizer had the higher leaf area index”

✓ located verbatim in the source · abstract, characters 913–1006 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

After plant establishment, a 21-day irrigation period together with 300 kg/ha nitrogen fertilizer will produce higher yield.

Taxon
pearl milletCenchrus americanuse0
Treatment
21 days period of irrigation as well as 300kg / ha nitrogen fertilizere1
Outcome
higher yielde1

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

Cenchrus americanus
Cenchrus americanus · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“pearl millet”

✓ located verbatim in the source · abstract, characters 68–80 · show in text ↑
e1

“after establishment of the plant 21 days period of irrigation as well as 300kg / ha nitrogen fertilizer will produce higher yield”

✓ located verbatim in the source · abstract, characters 1077–1206 · show in text ↑

irrigation · growth · Cenchrus americanus (pearl millet)Positive and negative results

14 papers: 12 positive, 2 negative or no effect

11 papers in the same direction as this paper · 2 in the opposite direction

  1. negative
  2. negative
  3. positive

10 papers more in this group

See all 14 papers →

fertilization · physiology: pigments · Cenchrus americanus (pearl millet)Positive and negative results

16 papers: 15 positive, 1 negative or no effect

15 in the opposite direction

  1. positive
  2. positive
  3. positive

12 papers more in this group

See all 16 papers →

fertilization · growth · Cenchrus americanus (pearl millet)Positive and negative results

70 papers: 68 positive, 2 negative or no effect

67 papers in the same direction as this paper · 2 in the opposite direction

  1. negative
  2. no effect
  3. positive

66 papers more in this group

See all 70 papers →

irrigation · physiology: pigments · Cenchrus americanus (pearl millet)Results agree

3 papers: 0 positive, 3 negative or no effect

2 papers in the same direction as this paper

  1. no effect
  2. no effect
See all 3 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.