Paper · 1999 · HortScience

134 Growth, Photosynthesis, Fruit Yield, and Quality of Greenhouse Tomato Grown in Open or Closed Rockwool Production Systems with Different Nutrient Feedings

Xiuming Hao; Athanasios P. Papadopoulos

8
claims
12
verbatim quotes
0
citations
2
research areas
✓
Open access

Abstract

Two long-season tomato crops ( Lycopersicon esculentum Mill. cv. Trust; in 1996 and 1997) were grown in an open rockwool system (conventional culture method) and in closed rockwool culture systems with different nutrient feedings to develop a closed tomato production system with zero discharge of nutrient solutions to the environment. The tomato grown in the closed rockwool systems with a modified rockwool or nutrient film technique (NFT) feeding formula achieved similar marketable yield as the tomato grown in the conventional open rockwool system. Similarly, there were no differences in early plant growth and photosynthesis, total plant biomass and biomass partitioning, fruit yield, or fruit size and grades. The tomato plants grown in the closed rockwool systems senesced slower, as demonstrated by higher photosynthesis in old leaves, and had better root systems than the plants grown in the conventional open rockwool system. The fruit quality of tomato produced in the closed rockwool systems was better than that of tomato produced in the open rockwool system in one of two crops. These results demonstrated that the closed rockwool system with optimized nutrient feeding is an economically and environmentally sound alternative to the conventional open rockwool production method.

Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. 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 8

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Tomato grown in closed rockwool systems with a modified rockwool or NFT feeding formula achieved marketable yield similar to open rockwool culture.

Treatment
closed rockwool systems with a modified rockwool or nutrient film technique (NFT) feeding formulae1
Outcome
marketable yielde1
Direction
similare1
Comparator
conventional open rockwool systeme1

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

e1

“The tomato grown in the closed rockwool systems with a modified rockwool or nutrient film technique (NFT) feeding formula achieved similar marketable yield as the tomato grown in the conventional open rockwool system”

✓ located verbatim in the source · abstract, characters 337–553 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Closed rockwool systems did not change early plant growth and photosynthesis of tomato compared with open rockwool culture.

Treatment
closed rockwool systemse1
Outcome
early plant growth and photosynthesise2
Direction
no differencese2
Comparator
conventional open rockwool systeme1

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

e1

“The tomato grown in the closed rockwool systems with a modified rockwool or nutrient film technique (NFT) feeding formula achieved similar marketable yield as the tomato grown in the conventional open rockwool system”

✓ located verbatim in the source · abstract, characters 337–553 · show in text ↑
e2

“there were no differences in early plant growth and photosynthesis, total plant biomass and biomass partitioning, fruit yield, or fruit size and grades”

✓ located verbatim in the source · abstract, characters 566–717 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Closed rockwool systems did not change total plant biomass or biomass partitioning of tomato compared with open rockwool culture.

Treatment
closed rockwool systemse1
Outcome
total plant biomass and biomass partitioninge2
Direction
no differencese2
Comparator
conventional open rockwool systeme1

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

e1

“The tomato grown in the closed rockwool systems with a modified rockwool or nutrient film technique (NFT) feeding formula achieved similar marketable yield as the tomato grown in the conventional open rockwool system”

✓ located verbatim in the source · abstract, characters 337–553 · show in text ↑
e2

“there were no differences in early plant growth and photosynthesis, total plant biomass and biomass partitioning, fruit yield, or fruit size and grades”

✓ located verbatim in the source · abstract, characters 566–717 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Closed rockwool systems did not change tomato fruit yield, fruit size or fruit grades compared with open rockwool culture.

Treatment
closed rockwool systemse1
Outcome
fruit yield, or fruit size and gradese2
Direction
no differencese2
Comparator
conventional open rockwool systeme1

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

e1

“The tomato grown in the closed rockwool systems with a modified rockwool or nutrient film technique (NFT) feeding formula achieved similar marketable yield as the tomato grown in the conventional open rockwool system”

✓ located verbatim in the source · abstract, characters 337–553 · show in text ↑
e2

“there were no differences in early plant growth and photosynthesis, total plant biomass and biomass partitioning, fruit yield, or fruit size and grades”

✓ located verbatim in the source · abstract, characters 566–717 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Tomato plants in closed rockwool systems senesced more slowly than those in open rockwool, as shown by higher photosynthesis in old leaves.

Organ / stage
old leavese3
Treatment
closed rockwool systemse3
Outcome
senescede3
Direction
slowere3
Qualifier
as demonstrated by higher photosynthesis in old leavese3
Comparator
conventional open rockwool systeme3

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

e3

“The tomato plants grown in the closed rockwool systems senesced slower, as demonstrated by higher photosynthesis in old leaves, and had better root systems than the plants grown in the conventional open rockwool system”

✓ located verbatim in the source · abstract, characters 719–937 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Tomato plants in closed rockwool systems had better root systems than those in open rockwool culture.

Treatment
closed rockwool systemse3
Outcome
root systemse3
Direction
bettere3
Comparator
conventional open rockwool systeme3

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

e3

“The tomato plants grown in the closed rockwool systems senesced slower, as demonstrated by higher photosynthesis in old leaves, and had better root systems than the plants grown in the conventional open rockwool system”

✓ located verbatim in the source · abstract, characters 719–937 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Fruit quality of tomato from closed rockwool systems was better than from open rockwool in one of two crops.

Treatment
closed rockwool systemse4
Outcome
fruit qualitye4
Direction
bettere4
Qualifier
in one of two cropse4
Comparator
open rockwool systeme4

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

e4

“The fruit quality of tomato produced in the closed rockwool systems was better than that of tomato produced in the open rockwool system in one of two crops”

✓ located verbatim in the source · abstract, characters 939–1094 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The closed rockwool system with optimized nutrient feeding is an economically and environmentally sound alternative to conventional open rockwool production of tomato.

Material
cv. Truste0
Outcome
an economically and environmentally sound alternative to the conventional open rockwool production methode5

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

“Two long-season tomato crops ( Lycopersicon esculentum Mill. cv. Trust; in 1996 and 1997)”

✓ located verbatim in the source · abstract, characters 0–89 · show in text ↑
e5

“These results demonstrated that the closed rockwool system with optimized nutrient feeding is an economically and environmentally sound alternative to the conventional open rockwool production method”

✓ located verbatim in the source · abstract, characters 1096–1295 · show in text ↑

growing medium · quality: grain · Solanum lycopersicum (tomato)Positive and negative results

8 papers: 5 positive, 3 negative or no effect

4 papers in the same direction as this paper · 2 in the opposite direction · 1 reporting no difference from an alternative

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

4 papers more in this group

See all 8 papers →

growing medium · physiology: photosynthesis · Solanum lycopersicum (tomato)Positive and negative results

20 papers: 14 positive, 6 negative or no effect

5 papers in the same direction as this paper · 14 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

16 papers more in this group

See all 20 papers →

growing medium · quality: postharvest · Solanum lycopersicum (tomato)Positive and negative results

25 papers: 18 positive, 7 negative or no effect

6 papers in the same direction as this paper · 18 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

21 papers more in this group

See all 25 papers →

growing medium · yield · Solanum lycopersicum (tomato)Positive and negative results

141 papers: 112 positive, 29 negative or no effect

28 papers in the same direction as this paper · 112 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

137 papers more in this group

See all 141 papers →

growing medium · growth · Solanum lycopersicum (tomato)Positive and negative results

169 papers: 126 positive, 43 negative or no effect

42 papers in the same direction as this paper · 126 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

165 papers more in this group

See all 169 papers →

infection · quality: postharvest · Solanum lycopersicum (tomato)Results agree

6 papers: 0 positive, 6 negative or no effect

5 papers in the same direction as this paper

  1. negative
  2. negative
  3. negative

2 papers more in this group

See all 6 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.