Paper · 2013 · Journal of Plant Nutrition

EFFECTS OF NITROGEN ON REPRODUCTIVE DURATION AND YIELD IN LENTIL CULTIVARS

Hossein Zakeri; Rosalind A. Bueckert; Jeff Schoenau

13
claims
27
verbatim quotes
7
citations
3
research areas
—
Not open access

Abstract

Reduced nitrogen (N) uptake and N2 fixation during the reproductive growth may reduce the yield in lentil. Five cultivars were grown in two soil media and four N treatments of an inoculated control (NI), and receiving N until flowering (NF), podding (NP) and maturity (NM) in Saskatchewan, Canada. The NF treatment produced the lowest yield, and plants relying on fixation grew larger and yielded more. But NI produced less growth and yield than NP and NM plants, demonstrating that N2 fixation needed improvement for maximal yield. The NP treatment produced the highest yield and more efficiently used N than the later N application in NM. Nitrogen applied at and after mid-pod extended the days to maturity by increasing the reproductive growth period and post-flowering vegetative biomass. Current lentil cultivars require N supply up to at least the mid-pod stage, although the exact stage and timing of N supply need refinement.

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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 13

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

NF treatment produced the lowest lentil yield.

Taxon
LENTILLens culinarist0
Treatment
NF treatmente0
Outcome
yielde0
Direction
loweste0
Setting
Saskatchewan, Canadae5

Not reportedComparator

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e0

“The NF treatment produced the lowest yield, and plants relying on fixation grew larger and yielded more”

✓ located verbatim in the source · abstract, characters 298–401 · show in text ↑
e5

“in Saskatchewan, Canada”

✓ located verbatim in the source · abstract, characters 273–296 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Lentil plants relying on fixation grew larger.

Taxon
LENTILLens culinarist0
Treatment
relying on fixatione0
Outcome
grew largere0
Direction
largere0

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e0

“The NF treatment produced the lowest yield, and plants relying on fixation grew larger and yielded more”

✓ located verbatim in the source · abstract, characters 298–401 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Lentil plants relying on fixation yielded more.

Taxon
LENTILLens culinarist0
Treatment
relying on fixatione0
Outcome
yielded moree0
Direction
moree0

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e0

“The NF treatment produced the lowest yield, and plants relying on fixation grew larger and yielded more”

✓ located verbatim in the source · abstract, characters 298–401 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

NI produced less lentil growth than NP plants.

Taxon
LENTILLens culinarist0
Treatment
NIe1
Outcome
growthe1
Direction
lesse1
Comparator
NPe1

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e1

“NI produced less growth and yield than NP and NM plants”

✓ located verbatim in the source · abstract, characters 407–462 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

NI produced less lentil yield than NP plants.

Taxon
LENTILLens culinarist0
Treatment
NIe1
Outcome
yielde1
Direction
lesse1
Comparator
NPe1

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e1

“NI produced less growth and yield than NP and NM plants”

✓ located verbatim in the source · abstract, characters 407–462 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

NI produced less lentil growth than NM plants.

Taxon
LENTILLens culinarist0
Treatment
NIe1
Outcome
growthe1
Direction
lesse1
Comparator
NMe1

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e1

“NI produced less growth and yield than NP and NM plants”

✓ located verbatim in the source · abstract, characters 407–462 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

NI produced less lentil yield than NM plants.

Taxon
LENTILLens culinarist0
Treatment
NIe1
Outcome
yielde1
Direction
lesse1
Comparator
NMe1

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e1

“NI produced less growth and yield than NP and NM plants”

✓ located verbatim in the source · abstract, characters 407–462 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

NP treatment produced the highest lentil yield.

Taxon
LENTILLens culinarist0
Treatment
NP treatmente2
Outcome
yielde2
Direction
higheste2

Not reportedComparator

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e2

“The NP treatment produced the highest yield and more efficiently used N than the later N application in NM”

✓ located verbatim in the source · abstract, characters 533–639 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

NP used nitrogen more efficiently than later NM application.

Taxon
LENTILLens culinarist0
Treatment
NP treatmente2
Outcome
used Ne2
Direction
more efficientlye2
Comparator
later N application in NMe2

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e2

“The NP treatment produced the highest yield and more efficiently used N than the later N application in NM”

✓ located verbatim in the source · abstract, characters 533–639 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nitrogen applied at and after mid-pod delayed lentil maturity.

Taxon
LENTILLens culinarist0
Treatment
Nitrogen applied at and after mid-pode3
Outcome
days to maturitye3
Direction
extendede3

Not reportedComparator

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e3

“Nitrogen applied at and after mid-pod extended the days to maturity by increasing the reproductive growth period and post-flowering vegetative biomass”

✓ located verbatim in the source · abstract, characters 641–791 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Nitrogen at and after mid-pod increased the reproductive growth period.

Taxon
LENTILLens culinarist0
Treatment
Nitrogen applied at and after mid-pode3
Outcome
reproductive growth periode3
Direction
increasinge3

Not reportedComparator

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e3

“Nitrogen applied at and after mid-pod extended the days to maturity by increasing the reproductive growth period and post-flowering vegetative biomass”

✓ located verbatim in the source · abstract, characters 641–791 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Nitrogen at and after mid-pod increased post-flowering vegetative biomass.

Taxon
LENTILLens culinarist0
Treatment
Nitrogen applied at and after mid-pode3
Outcome
post-flowering vegetative biomasse3
Direction
increasinge3

Not reportedComparator

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e3

“Nitrogen applied at and after mid-pod extended the days to maturity by increasing the reproductive growth period and post-flowering vegetative biomass”

✓ located verbatim in the source · abstract, characters 641–791 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Current lentil cultivars require nitrogen through at least mid-pod, with timing needing refinement.

Taxon
lentilLens culinarise4
Outcome
N supply up to at least the mid-pod stagee4
Qualifier
exact stage and timing of N supply need refinemente4

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

Lens culinaris
Lens culinaris · TaxonUser:Justinc · CC BY-SA 2.5 · Wikimedia Commons ↗

Verbatim

t0

“LENTIL CULTIVARS”

✓ located verbatim in the source · title, characters 58–74 · show in text ↑
e4

“Current lentil cultivars require N supply up to at least the mid-pod stage, although the exact stage and timing of N supply need refinement”

✓ located verbatim in the source · abstract, characters 793–932 · show in text ↑

nitrogen · phenology · Lens culinaris (lentil)Positive and negative results

2 papers: 1 positive, 1 negative or no effect

1 in the opposite direction

  1. positive
See all 2 papers →

stage · yield · Lens culinaris (lentil)Positive and negative results

13 papers: 11 positive, 2 negative or no effect

1 paper in the same direction as this paper · 11 in the opposite direction

  1. positive
  2. positive
  3. positive

9 papers more in this group

See all 13 papers →

nanoparticle · yield · Lens culinaris (lentil)Results agree

6 papers: 6 positive, 0 negative or no effect

5 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

2 papers more in this group

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.