Paper · 2009 · Journal of Hebei Agricultural Sciences

Study on the Limiting Factors of Soil Nutrients Related to the Yield of Winter Wheat in Tangshan,Hebei Province

Zhang Zuoxin

3
claims
5
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

The limiting factors of soil nutrients related to the yield of winter wheat in Tangshan were studied,and the effects of yield components on the yield of winter wheat were analyzed by field experiment.The results showed that the fertilization without boron had the most important influence on the yield,which could make the 1 000-grain weight and yield reduced by 3.2 g and 90.7%,respectively,and the difference was significant.Boron was the main limiting factor in soil nutrients related to the yield of winter wheat.

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Claims 3

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Omitting boron reduced winter wheat thousand-grain weight by 3.2 g.

Taxon
winter wheatTriticum aestivumt0
Treatment
fertilization without borone0
Outcome
1 000-grain weighte0
Direction
reducede0
Value
3.2 ge0

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

“fertilization without boron had the most important influence on the yield,which could make the 1 000-grain weight and yield reduced by 3.2 g and 90.7%,respectively,and the difference was significant”

✓ located verbatim in the source · abstract, characters 228–426 · show in text ↑
t0

“winter wheat”

✓ located after whitespace/quote normalisation · title, characters 72–84 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Omitting boron reduced winter wheat yield by 90.7%.

Taxon
winter wheatTriticum aestivumt0
Treatment
fertilization without borone0
Outcome
yielde0
Direction
reducede0
Value
90.7%e0

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

“fertilization without boron had the most important influence on the yield,which could make the 1 000-grain weight and yield reduced by 3.2 g and 90.7%,respectively,and the difference was significant”

✓ located verbatim in the source · abstract, characters 228–426 · show in text ↑
t0

“winter wheat”

✓ located after whitespace/quote normalisation · title, characters 72–84 · show in text ↑
Observationauthor interpretationoriginal resultmeasured

Claim · model-written summary

Boron was the principal limiting soil nutrient for winter wheat yield.

Taxon
winter wheatTriticum aestivume0
Outcome
main limiting factor in soil nutrients related to the yielde0

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

“Boron was the main limiting factor in soil nutrients related to the yield of winter wheat.”

✓ located verbatim in the source · abstract, characters 427–517 · show in text ↑

boron atom · yield · Triticum aestivum (wheat)Results differ

76 papers: 62 positive, 14 negative or no effect

61 papers in the same direction as this paper · 12 in the opposite direction · 2 reporting no difference from an alternative

This paper is about lacking the nutrient, so it counts the other way round here.

  1. negative
  2. negative
  3. no effect

72 papers more in this group

See all 76 papers →

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

3,438 papers: 3,115 positive, 323 negative or no effect

322 papers in the same direction as this paper · 3,115 in the opposite direction

  1. positive
  2. positive
  3. positive

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.