Abstract
Among different sites, Guanghan had the highest SPAD, CAP, PAR interception efficiency and grain yield, Xichang had higher SPAD and nitrogen use efficiency, lower CAP and PAR use efficiency, Chongqing and Renshou had the lowest SPAD, light use efficiency, nitrogen use efficiency and grain yield. Biomass had significant positive relationships with grain yield, CPA, SPAD, and PAR interception efficiency. Therefore, the increase of nitrogen fertilizer could promote yield at all sites, and nitrogenous fertilizer postponing could further optimize grain yield component and improve nitrogen and light use effi-ciency. But the effects depended on the years and sites, thus a target nitrogen management mode should be site-specifically made.
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Claims 11
Claim · model-written summary
Guanghan had the highest wheat SPAD, CAP, PAR interception efficiency and grain yield among sites.
- Taxon
- wheat
Triticum aestivumt0 - Outcome
- SPAD, CAP, PAR interception efficiency and grain yielde0
- Direction
- higheste0
- Setting
- Guanghane0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Among different sites, Guanghan had the highest SPAD, CAP, PAR interception efficiency and grain yield”
Claim · model-written summary
Xichang had higher wheat SPAD and nitrogen use efficiency.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- SPAD and nitrogen use efficiencye0
- Direction
- highere0
- Setting
- Xichange0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Xichang had higher SPAD and nitrogen use efficiency”
Claim · model-written summary
Xichang had lower wheat CAP and PAR use efficiency.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- CAP and PAR use efficiencye0
- Direction
- lowere0
- Setting
- Xichange0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Xichang had higher SPAD and nitrogen use efficiency, lower CAP and PAR use efficiency”
Claim · model-written summary
Chongqing and Renshou had the lowest wheat SPAD, light use efficiency, nitrogen use efficiency and grain yield.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- SPAD, light use efficiency, nitrogen use efficiency and grain yielde0
- Direction
- loweste0
- Setting
- Chongqing and Renshoue0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Chongqing and Renshou had the lowest SPAD, light use efficiency, nitrogen use efficiency and grain yield”
Claim · model-written summary
Wheat biomass was significantly positively associated with grain yield, CPA and SPAD.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- Biomasse0
- Direction
- positivee0
- Qualifier
- significante0
- Comparator
- grain yield, CPA, SPADe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Biomass had significant positive relationships with grain yield, CPA, SPAD, and PAR interception efficiency”
Claim · model-written summary
Wheat biomass was significantly positively associated with PAR interception efficiency.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- Biomasse0
- Direction
- positivee0
- Comparator
- PAR interception efficiencye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Biomass had significant positive relationships with grain yield, CPA, SPAD, and PAR interception efficiency”
Claim · model-written summary
Increasing nitrogen fertilizer promoted wheat yield at all sites.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- increase of nitrogen fertilizere0
- Outcome
- yielde0
- Direction
- promotee0
- Qualifier
- at all sitese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“increase of nitrogen fertilizer could promote yield at all sites”
Claim · model-written summary
Postponing nitrogen fertilizer could optimize wheat grain yield components.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- nitrogenous fertilizer postponinge0
- Outcome
- grain yield componente0
- Direction
- optimizee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“nitrogenous fertilizer postponing could further optimize grain yield component and improve nitrogen and light use effi-ciency”
Claim · model-written summary
Postponing nitrogen fertilizer could improve wheat nitrogen and light use efficiency.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- nitrogenous fertilizer postponinge0
- Outcome
- nitrogen and light use effi-ciencye0
- Direction
- improvee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“nitrogenous fertilizer postponing could further optimize grain yield component and improve nitrogen and light use effi-ciency”
Claim · model-written summary
Nitrogen management effects depended on year and site.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- effects depended on the years and sitese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“effects depended on the years and sites”
Claim · model-written summary
The authors recommend site-specific target nitrogen management for wheat.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- target nitrogen management mode should be site-specifically madee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“a target nitrogen management mode should be site-specifically made”
The same questions in other papers
fertilization · yield · Triticum aestivum (wheat)Positive and negative results
3,114 papers in the same direction as this paper · 284 in the opposite direction · 39 reporting no difference from an alternative
- no effect
- negative
- negative
3,434 papers more in this group
See all 3,438 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.