Paper · 2010 · Hunan Agricultural Sciences

Effects of Applying Boron on Yield and Quality of Flue-cured Tobacco

Fang Qi-chun

6
claims
7
verbatim quotes
1
citations
2
research areas
—
Not open access

Abstract

The results from general survey of boron in tobacco-planting soil in Taoyuan indicated that the average boron content in tobacco-planting soil was 0.26 mg/kg,which lower than tobacco-plant's need for regular growth.The experiment of applying different amounts of boron fertilizer to the yellow soil that lack of boron seriously was conducted to study the effects of applying boron on growth,yield and quality of flue-cured tobacco.The results showed that applying certain amount of boron fertilizer could promote the growth of tobacco,make tobacco's chemical compositions tending to be coordinated,enhance the proportion of superior tobacco and increase the yield and quality of tobacco obviously.When applying boron fertilizer of 22.5 kg/hm2,the result was the best.

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Claims 6

Observationobservedoriginal resultmeasured

Claim · model-written summary

The average boron content of tobacco-planting soil in Taoyuan was 0.26 mg/kg, lower than the tobacco need for regular growth.

Outcome
average boron content in tobacco-planting soile0
Value
0.26 mg/kge0
Qualifier
lower than tobacco-plant's need for regular growthe0
Setting
Taoyuane0

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

Nicotiana tabacum
Nicotiana tabacum · TaxonJom / Joachim Müllerchen · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“The results from general survey of boron in tobacco-planting soil in Taoyuan indicated that the average boron content in tobacco-planting soil was 0.26 mg/kg,which lower than tobacco-plant's need for regular growth”

✓ located verbatim in the source · abstract, characters 0–214 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Applying a certain amount of boron fertilizer promoted tobacco growth.

Treatment
applying certain amount of boron fertilizere2
Outcome
growth of tobaccoe2
Direction
promotee2

Not reportedComparator

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

Nicotiana tabacum
Nicotiana tabacum · TaxonJom / Joachim Müllerchen · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e2

“applying certain amount of boron fertilizer could promote the growth of tobacco,make tobacco's chemical compositions tending to be coordinated,enhance the proportion of superior tobacco and increase the yield and quality of tobacco obviously”

✓ located verbatim in the source · abstract, characters 455–696 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Applying a certain amount of boron fertilizer made tobacco chemical compositions tend to be coordinated.

Treatment
applying certain amount of boron fertilizere2
Outcome
tobacco's chemical compositionse2
Direction
tending to be coordinatede2

Not reportedComparator

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

Nicotiana tabacum
Nicotiana tabacum · TaxonJom / Joachim Müllerchen · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e2

“applying certain amount of boron fertilizer could promote the growth of tobacco,make tobacco's chemical compositions tending to be coordinated,enhance the proportion of superior tobacco and increase the yield and quality of tobacco obviously”

✓ located verbatim in the source · abstract, characters 455–696 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Applying a certain amount of boron fertilizer enhanced the proportion of superior tobacco.

Treatment
applying certain amount of boron fertilizere2
Outcome
proportion of superior tobaccoe2
Direction
enhancee2

Not reportedComparator

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

Nicotiana tabacum
Nicotiana tabacum · TaxonJom / Joachim Müllerchen · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e2

“applying certain amount of boron fertilizer could promote the growth of tobacco,make tobacco's chemical compositions tending to be coordinated,enhance the proportion of superior tobacco and increase the yield and quality of tobacco obviously”

✓ located verbatim in the source · abstract, characters 455–696 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Applying a certain amount of boron fertilizer increased tobacco yield and quality obviously.

Treatment
applying certain amount of boron fertilizere2
Outcome
yield and quality of tobaccoe2
Direction
increasee2
Qualifier
obviouslye2

Not reportedComparator

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

Nicotiana tabacum
Nicotiana tabacum · TaxonJom / Joachim Müllerchen · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e2

“applying certain amount of boron fertilizer could promote the growth of tobacco,make tobacco's chemical compositions tending to be coordinated,enhance the proportion of superior tobacco and increase the yield and quality of tobacco obviously”

✓ located verbatim in the source · abstract, characters 455–696 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Boron fertilizer at 22.5 kg/hm2 gave the best result in tobacco.

Treatment
boron fertilizer of 22.5 kg/hm2e3
Outcome
the resulte3
Direction
the beste3

Not reportedComparator

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

Nicotiana tabacum
Nicotiana tabacum · TaxonJom / Joachim Müllerchen · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e2

“applying certain amount of boron fertilizer could promote the growth of tobacco,make tobacco's chemical compositions tending to be coordinated,enhance the proportion of superior tobacco and increase the yield and quality of tobacco obviously”

✓ located verbatim in the source · abstract, characters 455–696 · show in text ↑
e3

“When applying boron fertilizer of 22.5 kg/hm2,the result was the best”

✓ located verbatim in the source · abstract, characters 697–766 · show in text ↑

boron atom · quality: general · Nicotiana tabacum (tobacco)Results differ

6 papers: 5 positive, 1 negative or no effect

4 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive

2 papers more in this group

See all 6 papers →

boron atom · growth · Nicotiana tabacum (tobacco)Positive and negative results

17 papers: 13 positive, 4 negative or no effect

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

  1. negative
  2. negative
  3. negative

13 papers more in this group

See all 17 papers →

boron atom · organism · Nicotiana tabacum (tobacco)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

fertilization · organism · Nicotiana tabacum (tobacco)Positive and negative results

47 papers: 40 positive, 7 negative or no effect

39 papers in the same direction as this paper · 7 in the opposite direction

  1. no effect
  2. negative
  3. negative

43 papers more in this group

See all 47 papers →

fertilization · quality: general · Nicotiana tabacum (tobacco)Positive and negative results

139 papers: 125 positive, 14 negative or no effect

124 papers in the same direction as this paper · 13 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. no effect

135 papers more in this group

See all 139 papers →

fertilization · growth · Nicotiana tabacum (tobacco)Positive and negative results

182 papers: 154 positive, 28 negative or no effect

153 papers in the same direction as this paper · 27 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. negative
  3. negative

178 papers more in this group

See all 182 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.