Paper · 2012 · African Journal of Agricultural Research

Date-peat as an alternative in hydroponic strawberry production

Abdolali Hesami

6
claims
11
verbatim quotes
15
citations
2
research areas
✓
Open access

Abstract

Date palm (Phoenix dactylifera) is one of the most important agricultural products for export in Iran. According to published statistics by FAO in 2008, more than 244000 ha of farm lands in Iran have been allocated to palm cultivation. Large amounts of palm wastage are thrown away without any usage annually. By contrast, cocopeat, which is produced from coconut trees, is imported for different purposes per annum. Thus, in order to find an alternative compound to cocopeat, an experiment was conducted with different combinations of palm leaf petioles (date-peat), cocopeat and perlite in hydroponic culture beds for strawberry under controlled conditions. The results showed that the best combination was achieved when a mixture of two parts of perlite, one part date-peat and one part cocopeat resulted in increased fruit yield, fruit number, chlorophyll content and leaf area. Additionally, the highest vitamin C content was observed in 3: 1 ratio of perlite and cocopeat treatment. On the other hand, application of three parts of date-peat + one part of cocopeat and also three parts of cocopeat + one part of date-peat, led to increased total soluble solids however there was no significant difference between mixtures. Nowadays, the growth medium in hydroponic bed mainly consists of mixture of cocopeat and perlite. Presented results suggest that palm wastages (date-peat) could be a good alternative to be partly substitute coconut fiber for strawberries and possibly other hydroponic crops. Key words: Cocopeat, date-peat, perlite, strawberry, hydroponic culture.

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Claims 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Two parts perlite, one part date-peat and one part cocopeat increased strawberry fruit yield and fruit number.

Taxon
strawberryFragaria ×ananassat0
Treatment
two parts of perlite, one part date-peat and one part cocopeate0
Outcome
fruit yield, fruit numbere0
Direction
increasede0

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

“a mixture of two parts of perlite, one part date-peat and one part cocopeat resulted in increased fruit yield, fruit number, chlorophyll content and leaf area.”

✓ located verbatim in the source · abstract, characters 723–882 · show in text ↑
t0

“Date-peat as an alternative in hydroponic strawberry production”

✓ located verbatim in the source · title, characters 0–63 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The same substrate mixture increased strawberry chlorophyll content and leaf area.

Taxon
strawberryFragaria ×ananassat0
Treatment
two parts of perlite, one part date-peat and one part cocopeate0
Outcome
chlorophyll content and leaf areae0
Direction
increasede0

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

“a mixture of two parts of perlite, one part date-peat and one part cocopeat resulted in increased fruit yield, fruit number, chlorophyll content and leaf area.”

✓ located verbatim in the source · abstract, characters 723–882 · show in text ↑
t0

“Date-peat as an alternative in hydroponic strawberry production”

✓ located verbatim in the source · title, characters 0–63 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

A 3:1 perlite-to-cocopeat mixture gave the highest strawberry vitamin C content.

Taxon
strawberryFragaria ×ananassat0
Treatment
3: 1 ratio of perlite and cocopeat treatmente0
Outcome
vitamin C contente0
Direction
higheste0

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 highest vitamin C content was observed in 3: 1 ratio of perlite and cocopeat treatment.”

✓ located verbatim in the source · abstract, characters 897–988 · show in text ↑
t0

“Date-peat as an alternative in hydroponic strawberry production”

✓ located verbatim in the source · title, characters 0–63 · show in text ↑
Intervention effectobservedoriginal resultpositivenot significant (as stated)measured

Claim · model-written summary

Three parts date-peat and one part cocopeat increased strawberry total soluble solids.

Taxon
strawberryFragaria ×ananassat0
Treatment
three parts of date-peat + one part of cocopeate0
Outcome
total soluble solidse0
Direction
increasede0
Comparator
three parts of cocopeat + one part of date-peate0

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

“application of three parts of date-peat + one part of cocopeat and also three parts of cocopeat + one part of date-peat, led to increased total soluble solids however there was no significant difference between mixtures.”

✓ located verbatim in the source · abstract, characters 1008–1228 · show in text ↑
t0

“Date-peat as an alternative in hydroponic strawberry production”

✓ located verbatim in the source · title, characters 0–63 · show in text ↑
Intervention effectobservedoriginal resultpositivenot significant (as stated)measured

Claim · model-written summary

Three parts cocopeat and one part date-peat increased strawberry total soluble solids; mixtures did not differ significantly.

Taxon
strawberryFragaria ×ananassat0
Treatment
three parts of cocopeat + one part of date-peate0
Outcome
total soluble solidse0
Direction
increasede0
Comparator
three parts of date-peat + one part of cocopeate0

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

“application of three parts of date-peat + one part of cocopeat and also three parts of cocopeat + one part of date-peat, led to increased total soluble solids however there was no significant difference between mixtures.”

✓ located verbatim in the source · abstract, characters 1008–1228 · show in text ↑
t0

“Date-peat as an alternative in hydroponic strawberry production”

✓ located verbatim in the source · title, characters 0–63 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors suggest date-peat can partly replace coconut fiber in hydroponic strawberry substrates.

Taxon
strawberriesFragaria ×ananassae0
Treatment
date-peate0
Outcome
partly substitute coconut fibere0

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

“date-peat) could be a good alternative to be partly substitute coconut fiber for strawberries and possibly other hydroponic crops.”

✓ located verbatim in the source · abstract, characters 1373–1503 · show in text ↑

growing medium · physiology: pigments · Fragaria x ananassa (strawberry)Positive and negative results

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

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growing medium · yield · Fragaria x ananassa (strawberry)Positive and negative results

66 papers: 52 positive, 14 negative or no effect

51 papers in the same direction as this paper · 12 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
  2. positive
  3. positive

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growing medium · quality: phytochemicals · Fragaria x ananassa (strawberry)Results agree

11 papers: 11 positive, 0 negative or no effect

10 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

7 papers more in this group

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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.