Paper · 2008 · Journal of the Science of Food and Agriculture

The effects of organic and conventional nutrient amendments on strawberry cultivation: Fruit yield and quality

Jennifer C Hargreaves; M Sina Adl; Philip R Warman; et al.

4
claims
7
verbatim quotes
68
citations
2
research areas
—
Not open access

Abstract

Abstract BACKGROUND: The nutrition of food is increasingly important to consumers. The popularity of organic food rests partly on the assumption that these products are healthier despite a lack of conclusive evidence. The effects of organic and inorganic fertilizer amendments on parameters of strawberry fruit quality, in terms of sugar, macro‐ and micro‐nutrients concentrations, and total antioxidant capacity were compared. RESULTS: Treatments did not affect sugar content or total antioxidant capacity. Inorganic fertilizer treatments increased S and Mn content of berries compared to organic treatments. The K and P content of berries differed among years. CONCLUSIONS: Organic amendments did not increase the fruit quality of strawberries compared to inorganic amendments. Copyright © 2008 Society of Chemical Industry

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Claims 4

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

The organic and inorganic amendments did not affect sugar content or total antioxidant capacity of strawberries.

Taxon
strawberryFragaria ×ananassae0
Treatment
organic and inorganic fertilizer amendmentse0
Outcome
sugar content or total antioxidant capacitye1
Direction
did not affecte1

Not reportedComparator

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The effects of organic and inorganic fertilizer amendments on parameters of strawberry fruit quality”

✓ located verbatim in the source · abstract, characters 218–318 · show in text ↑
e1

“Treatments did not affect sugar content or total antioxidant capacity”

✓ located verbatim in the source · abstract, characters 437–506 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Inorganic fertilizer increased sulphur and manganese contents of strawberries compared with organic treatments.

Taxon
strawberryFragaria ×ananassae0
Treatment
Inorganic fertilizere2
Outcome
S and Mn content of berriese2
Direction
increasede2
Comparator
organic treatmentse2

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The effects of organic and inorganic fertilizer amendments on parameters of strawberry fruit quality”

✓ located verbatim in the source · abstract, characters 218–318 · show in text ↑
e2

“Inorganic fertilizer treatments increased S and Mn content of berries compared to organic treatments”

✓ located verbatim in the source · abstract, characters 508–608 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Potassium and phosphorus contents of strawberries differed among years.

Taxon
strawberryFragaria ×ananassae0
Outcome
K and P content of berriese3
Qualifier
differed among yearse3

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The effects of organic and inorganic fertilizer amendments on parameters of strawberry fruit quality”

✓ located verbatim in the source · abstract, characters 218–318 · show in text ↑
e3

“The K and P content of berries differed among years”

✓ located verbatim in the source · abstract, characters 610–661 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Organic amendments did not increase strawberry fruit quality compared with inorganic amendments.

Taxon
strawberriesFragaria ×ananassae4
Treatment
Organic amendmentse4
Outcome
fruit qualitye4
Direction
did not increasee4
Comparator
inorganic amendmentse4

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e4

“Organic amendments did not increase the fruit quality of strawberries compared to inorganic amendments”

✓ located verbatim in the source · abstract, characters 676–778 · show in text ↑

other · quality: sugar starch · Fragaria x ananassa (strawberry)Results differ

16 papers: 13 positive, 3 negative or no effect

2 papers in the same direction as this paper · 13 in the opposite direction

  1. positive
  2. positive
  3. positive

12 papers more in this group

See all 16 papers →

organic · quality: grain · Fragaria x ananassa (strawberry)Positive and negative results

3 papers: 2 positive, 1 negative or no effect

2 reporting no difference from an alternative

  1. positive
  2. positive
See all 3 papers →

fertilization · quality: sugar starch · Fragaria x ananassa (strawberry)Positive and negative results

83 papers: 74 positive, 9 negative or no effect

8 papers in the same direction as this paper · 74 in the opposite direction

  1. positive
  2. positive
  3. positive

79 papers more in this group

See all 83 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.