Paper · 2003 · Shanxi nongye kexue

Effects of Potassium on Yield, Quality and Physiological Characters of Tomato in Open Field

Jian Zhang

8
claims
16
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

The experiment was conducted to determine effects of potassium fertilization on yield, quality and physiological characters of tomato cultivated in open field. The result showed that early yield and total yield of potassium fertilization plots reached 56 512kg/hm2 and 100 920kg/hm2 respectively,10.8% and 14.9% higher than that of the control. The potassium fertilization improved quality of fruits. Apart from decreasing calcium content, it increased total sugar, carbohydrate, soluble solid contents, crude fiber, crude protein, vitamin C, iron, ash and dry matter markedly on fresh basis. It promoted physiological metabolisms, including plant bleeding sap along with chlorophyll content, photosynthesis, being more significant especially at and after harvest peak stages and setting fruit stage of first inflorescence. The potassium fertilization decreased soluble sugar contents of the outer leaves.

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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 8

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium fertilization increased early tomato yield by 10.8%.

Treatment
potassium fertilizatione0
Outcome
early yielde0
Direction
highere0
Value
10.8%e0
Comparator
controle0

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“early yield and total yield of potassium fertilization plots reached 56 512kg/hm2 and 100 920kg/hm2 respectively,10.8% and 14.9% higher than that of the control.”

✓ located verbatim in the source · abstract, characters 183–346 · show in text ↑
t0

“Tomato”

✓ located verbatim in the source · title, characters 71–77 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium fertilization increased total tomato yield by 14.9%.

Treatment
potassium fertilizatione0
Outcome
total yielde0
Direction
highere0
Value
14.9%e0
Comparator
controle0

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“early yield and total yield of potassium fertilization plots reached 56 512kg/hm2 and 100 920kg/hm2 respectively,10.8% and 14.9% higher than that of the control.”

✓ located verbatim in the source · abstract, characters 183–346 · show in text ↑
t0

“Tomato”

✓ located verbatim in the source · title, characters 71–77 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Potassium fertilization decreased tomato fruit calcium content.

Treatment
Potassiumt0
Outcome
calcium contente0
Direction
decreasinge0

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Apart from decreasing calcium content, it increased total sugar, carbohydrate, soluble solid contents, crude fiber, crude protein, vitamin C, iron, ash and dry matter markedly on fresh basis.”

✓ located verbatim in the source · abstract, characters 403–594 · show in text ↑
t0

“Effects of Potassium on Yield, Quality and Physiological Characters of Tomato in Open Field”

✓ located verbatim in the source · title, characters 0–91 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium fertilization increased several tomato fruit composition measures.

Treatment
Potassiumt0
Outcome
total sugar, carbohydrate, soluble solid contentse0
Direction
increasede0

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“it increased total sugar, carbohydrate, soluble solid contents, crude fiber, crude protein, vitamin C, iron, ash and dry matter markedly on fresh basis.”

✓ located verbatim in the source · abstract, characters 442–594 · show in text ↑
t0

“Effects of Potassium on Yield, Quality and Physiological Characters of Tomato in Open Field”

✓ located verbatim in the source · title, characters 0–91 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium fertilization increased crude fiber, crude protein and vitamin C.

Treatment
Potassiumt0
Outcome
crude fiber, crude protein, vitamin Ce0
Direction
increasede0

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“it increased total sugar, carbohydrate, soluble solid contents, crude fiber, crude protein, vitamin C, iron, ash and dry matter markedly on fresh basis.”

✓ located verbatim in the source · abstract, characters 442–594 · show in text ↑
t0

“Effects of Potassium on Yield, Quality and Physiological Characters of Tomato in Open Field”

✓ located verbatim in the source · title, characters 0–91 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium fertilization increased iron, ash and dry matter.

Treatment
Potassiumt0
Outcome
iron, ash and dry mattere0
Direction
increasede0

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“it increased total sugar, carbohydrate, soluble solid contents, crude fiber, crude protein, vitamin C, iron, ash and dry matter markedly on fresh basis.”

✓ located verbatim in the source · abstract, characters 442–594 · show in text ↑
t0

“Effects of Potassium on Yield, Quality and Physiological Characters of Tomato in Open Field”

✓ located verbatim in the source · title, characters 0–91 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium fertilization promoted bleeding sap, chlorophyll content and photosynthesis.

Treatment
Potassiumt0
Outcome
plant bleeding sap along with chlorophyll content, photosynthesise0
Direction
promotede0

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“It promoted physiological metabolisms, including plant bleeding sap along with chlorophyll content, photosynthesis”

✓ located verbatim in the source · abstract, characters 595–709 · show in text ↑
t0

“Effects of Potassium on Yield, Quality and Physiological Characters of Tomato in Open Field”

✓ located verbatim in the source · title, characters 0–91 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Potassium fertilization decreased soluble sugar in outer leaves.

Organ / stage
outer leavese0
Treatment
potassium fertilizatione0
Outcome
soluble sugar contentse0
Direction
decreasede0

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The potassium fertilization decreased soluble sugar contents of the outer leaves.”

✓ located verbatim in the source · abstract, characters 826–907 · show in text ↑
t0

“Tomato”

✓ located verbatim in the source · title, characters 71–77 · show in text ↑

potassium · quality: protein · Solanum lycopersicum (tomato)Positive and negative results

3 papers: 2 positive, 1 negative or no effect

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

  1. no effect
  2. positive
See all 3 papers →

potassium · quality: sugar starch · Solanum lycopersicum (tomato)Positive and negative results

24 papers: 18 positive, 6 negative or no effect

17 papers in the same direction as this paper · 6 in the opposite direction

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

20 papers more in this group

See all 24 papers →

fertilization · yield · Solanum lycopersicum (tomato)Positive and negative results

978 papers: 850 positive, 128 negative or no effect

849 papers in the same direction as this paper · 104 in the opposite direction · 24 reporting no difference from an alternative

  1. no effect
  2. negative
  3. negative

974 papers more in this group

See all 978 papers →

potassium · physiology: photosynthesis · Solanum lycopersicum (tomato)Results agree

7 papers: 7 positive, 0 negative or no effect

6 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

3 papers more in this group

See all 7 papers →

potassium · quality: grain · Solanum lycopersicum (tomato)Results agree

9 papers: 9 positive, 0 negative or no effect

8 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

5 papers more in this group

See all 9 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.