Abstract
The performance of gynoecious cucumber (cv. Terminator) was evaluated under three protected structures viz., naturally ventilated polyhouse (NVP), insect proof net house (INH) and shade net house (SNH) at Jodhpur, Rajasthan in hot arid region of India. The photosynthetically active radiation (PAR) inside these structures during cropping period ranged from 154-842 μmol m-2 s-1 which was much lower than the outside. Among structures, air temperature was 1.2°C and 0.7°C lower while relative humidity (RH) was 17 and 4 per cent higher in NVP and SNH respectively as compared to INH. Relatively low air as well as soil temperature, coupled with high RH and optimal radiation in NVP led to better plant growth and physiological activity which resulted in 42 and 142per cent higher yield than INH and SNH, respectively. Hence, it can be recommended that NVP is the best low-tech protected structure which modifies the microclimate favouring successful cultivation of greenhouse cucumber in Indian hot arid regions.
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Claims 9
Claim · model-written summary
PAR within protected structures was lower than outside.
- Taxon
- cucumber (Cucumis sativus L.)
Cucumis sativust0 - Outcome
- photosynthetically active radiation (PAR)e0
- Direction
- much lowere0
- Value
- 154-842 μmol m-2 s-1e0
- Comparator
- the outsidee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cucumber (Cucumis sativus L.)”
e0“The photosynthetically active radiation (PAR) inside these structures during cropping period ranged from 154-842 μmol m-2 s-1 which was much lower than the outside”
Claim · model-written summary
NVP had lower air temperature than INH.
- Taxon
- cucumber (Cucumis sativus L.)Cucumis sativust0
- Outcome
- air temperaturee0
- Direction
- lowere0
- Value
- 1.2°Ce0
- Comparator
- INHe0
- Setting
- NVPe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cucumber (Cucumis sativus L.)”
e0“air temperature was 1.2°C and 0.7°C lower while relative humidity (RH) was 17 and 4 per cent higher in NVP and SNH respectively as compared to INH”
Claim · model-written summary
SNH had lower air temperature than INH.
- Taxon
- cucumber (Cucumis sativus L.)Cucumis sativust0
- Outcome
- air temperaturee0
- Direction
- lowere0
- Value
- 0.7°Ce0
- Comparator
- INHe0
- Setting
- SNHe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cucumber (Cucumis sativus L.)”
e0“air temperature was 1.2°C and 0.7°C lower while relative humidity (RH) was 17 and 4 per cent higher in NVP and SNH respectively as compared to INH”
Claim · model-written summary
NVP had higher relative humidity than INH.
- Taxon
- cucumber (Cucumis sativus L.)Cucumis sativust0
- Outcome
- relative humidity (RH)e0
- Direction
- highere0
- Value
- 17e0
- Comparator
- INHe0
- Setting
- NVPe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cucumber (Cucumis sativus L.)”
e0“relative humidity (RH) was 17 and 4 per cent higher in NVP and SNH respectively as compared to INH”
Claim · model-written summary
SNH had higher relative humidity than INH.
- Taxon
- cucumber (Cucumis sativus L.)Cucumis sativust0
- Outcome
- relative humidity (RH)e0
- Direction
- highere0
- Value
- 4 per cente0
- Comparator
- INHe0
- Setting
- SNHe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cucumber (Cucumis sativus L.)”
e0“relative humidity (RH) was 17 and 4 per cent higher in NVP and SNH respectively as compared to INH”
Claim · model-written summary
NVP improved plant growth and physiological activity.
- Taxon
- cucumber (Cucumis sativus L.)Cucumis sativust0
- Treatment
- NVPe0
- Outcome
- plant growth and physiological activitye0
- Direction
- bettere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cucumber (Cucumis sativus L.)”
e0“Relatively low air as well as soil temperature, coupled with high RH and optimal radiation in NVP led to better plant growth and physiological activity”
Claim · model-written summary
NVP raised yield by 42 per cent relative to INH.
- Taxon
- cucumber (Cucumis sativus L.)Cucumis sativust0
- Treatment
- NVPe1
- Outcome
- yielde0
- Direction
- highere0
- Value
- 42 per cente0
- Comparator
- INHe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cucumber (Cucumis sativus L.)”
e0“42 and 142per cent higher yield than INH and SNH, respectively”
e1“in NVP led to better plant growth”
Claim · model-written summary
NVP raised yield by 142 per cent relative to SNH.
- Taxon
- cucumber (Cucumis sativus L.)Cucumis sativust0
- Treatment
- NVPe1
- Outcome
- yielde0
- Direction
- highere0
- Value
- 142per cente0
- Comparator
- SNHe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cucumber (Cucumis sativus L.)”
e0“42 and 142per cent higher yield than INH and SNH, respectively”
e1“in NVP led to better plant growth”
Claim · model-written summary
The authors recommend NVP for greenhouse cucumber in Indian hot arid regions.
- Taxon
- cucumber (Cucumis sativus L.)Cucumis sativust0
- Outcome
- NVP is the best low-tech protected structuree0
- Setting
- Indian hot arid regionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“cucumber (Cucumis sativus L.)”
e0“NVP is the best low-tech protected structure which modifies the microclimate favouring successful cultivation of greenhouse cucumber in Indian hot arid regions”
The same questions in other papers
protected cultivation · growth · Cucumis sativus (cucumber)Positive and negative results
4 papers in the same direction as this paper · 1 reporting no difference from an alternative
- positive
- no effect
- positive
2 papers more in this group
See all 6 papers →protected cultivation · yield · Cucumis sativus (cucumber)Results agree
6 papers in the same direction as this paper
- positive
- positive
- positive
3 papers more in this group
See all 7 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.