Abstract
This experiment was conducted to investigate the efficiency of cooling according to the cooling methods and test the growth and yield of tomatoes and peppers grown in the greenhouses during summer. The cooling methods were composed of the non-cooling, daytime cooling, nighttime cooling and all-day cooling. The daytime cooling induced by evaporation system utilizing an air cooler, the nighttime cooling induced by air flow using a fan with radiator. The highest room temperature was 4C lower in cooling than non-cooling and was 2C higher in cooling than out door temperature. The relative humidity was 10 to 20% and 5% higher in daytime and nighttime cooling than non-cooling, respectively. The room temperature and the relative humidity of the daytime were affected greatly by outside environment. The growth and yield of tomatoes made little differences from the cooling methods because of the other factors such as flower organ demage by high temperature and fruiting chemicals. The growth of peppers were not significantly differences between cooling methods, while the yield was highest in all-day and nighttime cooling, followed by daytime cooling and non-cooling. Results showed that the cooling had a great effect on the fruiting and yield of peppers, because of complex factors such as nutrition accumulated by cooling and pollination accelerated by air flow.
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Claims 8
Claim · model-written summary
The highest greenhouse room temperature was 4C lower with cooling than without cooling.
Not reportedTaxon
Verbatim
e0“The highest room temperature was 4C lower in cooling than non-cooling and was 2C higher in cooling than out door temperature”
Claim · model-written summary
The highest greenhouse room temperature was 2C higher with cooling than the outdoor temperature.
- Treatment
- coolinge0
- Outcome
- highest room temperaturee0
- Direction
- highere0
- Value
- 2Ce0
- Comparator
- out door temperaturee0
Not reportedTaxon
Verbatim
e0“The highest room temperature was 4C lower in cooling than non-cooling and was 2C higher in cooling than out door temperature”
Claim · model-written summary
Relative humidity was 10 to 20% higher with daytime cooling than without cooling.
- Treatment
- daytime and nighttime coolinge0
- Outcome
- relative humiditye0
- Direction
- highere0
- Value
- 10 to 20%e0
- Qualifier
- daytimee0
- Comparator
- non-coolinge0
Not reportedTaxon
Verbatim
e0“The relative humidity was 10 to 20% and 5% higher in daytime and nighttime cooling than non-cooling, respectively”
Claim · model-written summary
Relative humidity was 5% higher with nighttime cooling than without cooling.
- Treatment
- daytime and nighttime coolinge0
- Outcome
- relative humiditye0
- Direction
- highere0
- Value
- 5%e0
- Qualifier
- nighttimee0
- Comparator
- non-coolinge0
Not reportedTaxon
Verbatim
e0“The relative humidity was 10 to 20% and 5% higher in daytime and nighttime cooling than non-cooling, respectively”
Claim · model-written summary
Growth and yield of tomatoes differed little among cooling methods.
- Taxon
- Tomato
Solanum lycopersicumt0 - Treatment
- cooling methodse0
- Outcome
- growth and yielde0
- Direction
- little differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tomato”
e0“The growth and yield of tomatoes made little differences from the cooling methods”
Claim · model-written summary
Growth of peppers did not differ significantly between cooling methods.
Not reportedComparator
Verbatim
t0“Pepper”
e0“The growth of peppers were not significantly differences between cooling methods”
Claim · model-written summary
Pepper yield was highest with all-day and nighttime cooling, followed by daytime cooling and non-cooling.
Verbatim
t0“Pepper”
e0“the yield was highest in all-day and nighttime cooling, followed by daytime cooling and non-cooling”
Claim · model-written summary
Cooling is attributed a great effect on fruiting and yield of peppers through nutrition accumulated by cooling and pollination accelerated by air flow.
- Treatment
- coolinge0
- Outcome
- fruiting and yielde0
- Qualifier
- nutrition accumulated by cooling and pollination accelerated by air flowe0
CapsicumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the cooling had a great effect on the fruiting and yield of peppers, because of complex factors such as nutrition accumulated by cooling and pollination accelerated by air flow”
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