Paper · 2020 · IRAQI JOURNAL OF AGRICULTURAL SCIENCES

INFLUENCE OF GREENHOUSE SHADING AND DIFFERENT NUTRIENT MANAGEMENT PRACTICES ON ALLEVIATING HEAT STRESS, IMPROVING PLANT NUTRIENTS STATUS, FLOWERING GROWTH AND YIELD OF TOMATO

Sulaiman & Sadiq

6
claims
14
verbatim quotes
5
citations
3
research areas
✓
Open access · cc-by

Abstract

The experiment was conducted in a greenhouse during 2017 and 2018 growing seasons to evaluate the impact of the shading and various nutrition programs on mitigating heat stress, reducing the use of chemical minerals, improving the reproductive growth and yield of tomato plant. Split-plot within Randomized Complete Block Design (RCBD) with three replications was conducted in this study. Shading factor was allocated in the main plots and the nutrition programs distributed randomly in the subplots. Results indicate that shading resulted in the decrease of daytime temperature by 5.7˚C as an average for both seasons; thus a significant increasing was found in leaf contents of macro nutrients (Nitrogen, Phosphorous, and Potassium), and micro nutrients (Iron, Zinc and Boron), except the Iron content in 2018 growing season. Furthermore, shading improved significantly the reproductive growth and tomato yield. Among the plant nutrition programs, the integrated nutrient management (INM) including the application of organic substances, bio inoculum of AMF and 50% of the recommended dose of chemical fertilizers; lead to the enhancement of nutrients content, reproductive characteristics and plant yield. Generally, combination of both shading and INM showed positive effects on plants nutrient status and persisting balance on tomato flowering growth and fruits yield.

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

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Claims 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Shading decreased daytime temperature by 5.7˚C.

Treatment
shadinge0
Outcome
daytime temperaturee0
Direction
decreasee0
Value
5.7˚Ce0

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

t0

“YIELD OF TOMATO”

✓ located verbatim in the source · title, characters 159–174 · show in text ↑
e0

“shading resulted in the decrease of daytime temperature by 5.7˚C”

✓ located verbatim in the source · abstract, characters 523–587 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Shading significantly increased leaf macro nutrient contents (N, P, K).

Organ / stage
leafe1
Treatment
shadinge0
Outcome
leaf contents of macro nutrientse1
Direction
increasinge1

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

t0

“YIELD OF TOMATO”

✓ located verbatim in the source · title, characters 159–174 · show in text ↑
e0

“shading resulted in the decrease of daytime temperature by 5.7˚C”

✓ located verbatim in the source · abstract, characters 523–587 · show in text ↑
e1

“a significant increasing was found in leaf contents of macro nutrients (Nitrogen, Phosphorous, and Potassium), and micro nutrients (Iron, Zinc and Boron), except the Iron content in 2018 growing season”

✓ located verbatim in the source · abstract, characters 625–826 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Shading increased leaf micro nutrient contents (Iron, Zinc and Boron), except iron in 2018.

Organ / stage
leafe1
Treatment
shadinge0
Outcome
micro nutrients (Iron, Zinc and Boron)e1
Direction
increasinge1
Qualifier
except the Iron content in 2018 growing seasone1

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

t0

“YIELD OF TOMATO”

✓ located verbatim in the source · title, characters 159–174 · show in text ↑
e0

“shading resulted in the decrease of daytime temperature by 5.7˚C”

✓ located verbatim in the source · abstract, characters 523–587 · show in text ↑
e1

“a significant increasing was found in leaf contents of macro nutrients (Nitrogen, Phosphorous, and Potassium), and micro nutrients (Iron, Zinc and Boron), except the Iron content in 2018 growing season”

✓ located verbatim in the source · abstract, characters 625–826 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Shading significantly improved reproductive growth and tomato yield.

Treatment
shadinge2
Outcome
reproductive growth and tomato yielde2
Direction
improvede2

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

t0

“YIELD OF TOMATO”

✓ located verbatim in the source · title, characters 159–174 · show in text ↑
e2

“shading improved significantly the reproductive growth and tomato yield”

✓ located verbatim in the source · abstract, characters 841–912 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Integrated nutrient management (organic substances, AMF inoculum and 50% of the recommended fertilizer dose) increased nutrient content, reproductive characteristics and plant yield.

Treatment
integrated nutrient management (INM) including the application of organic substances, bio inoculum of AMF and 50% of the recommended dose of chemical fertilizerse4
Interactor
AMFe4symbiont
Outcome
nutrients content, reproductive characteristics and plant yielde4
Direction
lead to the enhancemente4

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

t0

“YIELD OF TOMATO”

✓ located verbatim in the source · title, characters 159–174 · show in text ↑
e4

“the integrated nutrient management (INM) including the application of organic substances, bio inoculum of AMF and 50% of the recommended dose of chemical fertilizers; lead to the enhancement of nutrients content, reproductive characteristics and plant yield”

✓ located verbatim in the source · abstract, characters 950–1207 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined shading and INM showed positive effects on plant nutrient status, tomato flowering growth and fruit yield.

Treatment
combination of both shading and INMe5
Outcome
plants nutrient statuse5
Direction
positive effectse5
Qualifier
tomato flowering growth and fruits yielde5

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

t0

“YIELD OF TOMATO”

✓ located verbatim in the source · title, characters 159–174 · show in text ↑
e5

“combination of both shading and INM showed positive effects on plants nutrient status and persisting balance on tomato flowering growth and fruits yield”

✓ located verbatim in the source · abstract, characters 1220–1372 · show in text ↑

shade · soil: physics · Solanum lycopersicum (tomato)Results differ

9 papers: 6 positive, 3 negative or no effect

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

  1. no effect
  2. negative
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shade · nutrient: content · Solanum lycopersicum (tomato)Results differ

9 papers: 5 positive, 4 negative or no effect

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shade · yield · Solanum lycopersicum (tomato)Results differ

44 papers: 26 positive, 18 negative or no effect

25 papers in the same direction as this paper · 18 in the opposite direction

  1. negative
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mycorrhiza · yield · Solanum lycopersicum (tomato)Results differ

65 papers: 59 positive, 6 negative or no effect

58 papers in the same direction as this paper · 5 in the opposite direction · 1 reporting no difference from an alternative

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

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

201 papers: 172 positive, 29 negative or no effect

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  1. negative
  2. negative
  3. no effect

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fertilization · nutrient: content · Solanum lycopersicum (tomato)Positive and negative results

271 papers: 226 positive, 45 negative or no effect

225 papers in the same direction as this paper · 38 in the opposite direction · 7 reporting no difference from an alternative

  1. no effect
  2. negative
  3. no effect

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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

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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.