Paper · 2023 · International Journal of Agriculture Environment and Food Sciences

Effect of different potassium fertilizers on yield and quality of tomato (Solanum lycopersicum L.) under drought stress conditions

Baki TEMUR; Yelderem AKHOUNDNEJAD; Yahya NAS; et al.

5
claims
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verbatim quotes
4
citations
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research areas
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Open access · cc-by-nc

Abstract

The experiment was carried out in open field conditions in Ciğir village, located in the Idil district of Sirnak province, during 2020 tomato growing season. The aim of the study was to investigate the effect of different potassium (potassium chloride, potassium sulfate and potassium nitrate) fertilizers on yield and quality characteristics of tomato plants (Fereng genotype and Kamenta F1 variety) grown under drought stress. The fertilizers were foliar applied at a dose of 1%. Irrigation treatments of the experiment were full irrigation (control, 100%), 66% of the full irrigation, and 33% of the full irrigation. Leaf temperature, relative water content of leaf, chlorophyll content, fresh and dry weight of green parts, membranes injury index, soluble solid content (SSC) in tomato juice, pH of tomato juice and total yield were determined. The results indicated that drought stress had a significant adverse impacts on yield and quality of both Fereng genotype and Kamenta F1 variety. The application of potassium nitrate and potassium sulfate caused an increase in the chlorophyll and water soluble solid content. Potassium chloride application resulted in a reduction in membrane damage. The effects of potassium sulfate fertilizer on yield was significantly higher than the other two potassium fertilizers.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by-nc. Read at the source ↗

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 5

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Drought adversely affected yield and quality in both tomato genotypes.

Material
Fereng genotype and Kamenta F1 varietye0
Treatment
drought stresse0
Outcome
yield and qualitye0
Direction
adverse impactse0

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

“drought stress had a significant adverse impacts on yield and quality of both Fereng genotype and Kamenta F1 variety”

✓ located verbatim in the source · abstract, characters 876–992 · show in text ↑
t0

“tomato”

✓ located verbatim in the source · title, characters 66–72 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium nitrate increased chlorophyll and soluble solid content.

Treatment
potassium nitratee0
Outcome
chlorophyll and water soluble solid contente0
Direction
increasee0

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

“application of potassium nitrate and potassium sulfate caused an increase in the chlorophyll and water soluble solid content”

✓ located verbatim in the source · abstract, characters 998–1122 · show in text ↑
t0

“tomato”

✓ located verbatim in the source · title, characters 66–72 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium sulfate increased chlorophyll and soluble solid content.

Treatment
potassium sulfatee0
Outcome
chlorophyll and water soluble solid contente0
Direction
increasee0

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

“application of potassium nitrate and potassium sulfate caused an increase in the chlorophyll and water soluble solid content”

✓ located verbatim in the source · abstract, characters 998–1122 · show in text ↑
t0

“tomato”

✓ located verbatim in the source · title, characters 66–72 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium chloride reduced membrane damage.

Treatment
Potassium chloridee0
Outcome
membrane damagee0
Direction
reductione0

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

“Potassium chloride application resulted in a reduction in membrane damage”

✓ located verbatim in the source · abstract, characters 1124–1197 · show in text ↑
t0

“tomato”

✓ located verbatim in the source · title, characters 66–72 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Potassium sulfate produced a significantly greater yield effect than the other potassium fertilizers.

Treatment
potassium sulfate fertilizere0
Outcome
yielde0
Direction
highere0
Comparator
other two potassium fertilizerse0

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

“effects of potassium sulfate fertilizer on yield was significantly higher than the other two potassium fertilizers”

✓ located verbatim in the source · abstract, characters 1203–1317 · show in text ↑
t0

“tomato”

✓ located verbatim in the source · title, characters 66–72 · show in text ↑

potassium sulfate · yield · Solanum lycopersicum (tomato)Positive and negative results

8 papers: 7 positive, 1 negative or no effect

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

  1. negative
  2. positive
  3. positive

4 papers more in this group

See all 8 papers →

potassium sulfate · physiology: pigments · Solanum lycopersicum (tomato)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 →

potassium nitrate · physiology: pigments · Solanum lycopersicum (tomato)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 papers →

drought · quality: general · Solanum lycopersicum (tomato)Positive and negative results

11 papers: 7 positive, 4 negative or no effect

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

  1. no effect
  2. positive
  3. positive

7 papers more in this group

See all 11 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 →

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.