Abstract
Soil compaction easily causes root hypoxia stress, resulting in poor root growth and the absorption of soil water and nutrients. We hypothesized that aerated irrigation (AI) could enhance nutrient uptake and utilization, thus unlocking the high yield potential by increasing soil aeration and root morphology indicators compared with that in the non-aeration treatment. A greenhouse experiment was conducted to investigate the effect of soil aeration and root morphology on the yield of greenhouse cucumbers. The dissolved oxygen (DO) in irrigation water at 10 mg L−1 (A1), 20 mg L−1 (A2), and non-aeration treatment (A0) were applied via a subsurface drip irrigation system. The soil respiration rates, DO in soil water, root morphology, and crop yield were measured. The results showed that AI could significantly improve the soil respiration rate, DO in soil water, and root morphology compared with non-aeration treatment. The A2 significantly increased soil respiration rate by 11.63% and 11.93%, respectively, compared with the A1 and A0 treatments. Under A1 and A2, the DO in soil water increased by 20.01% and 18.02%, respectively, compared with the A0. Moreover, during the flowering and fruit set, the mature, and the late stages, the root surface area, root volume, root tip number, root forks, and root dry weight in the A2 treatment significantly increased than that in the A0 treatment. The soil respiration rate, DO in soil water, root length, and root forks were the main indexes correlated to the yield, respectively. The DO in soil water and root forks number significantly influenced the yield. The cucumber yield and economic benefits in A2 peaked at 53.04 t ha−1 and 3.95 × 104 USD ha−1, increased by 7.86% and 7.30% compared with that in the A0 treatment, respectively (p < 0.05). The results could provide technical support and scientific knowledge for regulating greenhouse cucumbers under AI.
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Claims 13
Claim · model-written summary
Aerated irrigation significantly improved soil respiration rate versus non-aeration.
- Taxon
- cucumbers
Cucumis sativuse1 - Treatment
- AIe0
- Outcome
- soil respiration ratee0
- Direction
- improvee0
- Comparator
- non-aeration treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AI could significantly improve the soil respiration rate, DO in soil water, and root morphology compared with non-aeration treatment”
e1“yield of greenhouse cucumbers”
Claim · model-written summary
Aerated irrigation significantly improved dissolved oxygen in soil water versus non-aeration.
- Taxon
- cucumbersCucumis sativuse1
- Treatment
- AIe0
- Outcome
- DO in soil watere0
- Direction
- improvee0
- Comparator
- non-aeration treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AI could significantly improve the soil respiration rate, DO in soil water, and root morphology compared with non-aeration treatment”
e1“yield of greenhouse cucumbers”
Claim · model-written summary
Aerated irrigation significantly improved cucumber root morphology versus non-aeration.
- Taxon
- cucumbersCucumis sativuse1
- Treatment
- AIe0
- Outcome
- root morphologye0
- Direction
- improvee0
- Comparator
- non-aeration treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AI could significantly improve the soil respiration rate, DO in soil water, and root morphology compared with non-aeration treatment”
e1“yield of greenhouse cucumbers”
Claim · model-written summary
A2 increased soil respiration rate by 11.63% versus A1.
- Taxon
- cucumbersCucumis sativuse1
- Treatment
- A2e0
- Outcome
- soil respiration ratee0
- Direction
- increasede0
- Value
- 11.63%e0
- Comparator
- A1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The A2 significantly increased soil respiration rate by 11.63% and 11.93%, respectively, compared with the A1 and A0 treatments”
e1“yield of greenhouse cucumbers”
Claim · model-written summary
A2 increased soil respiration rate by 11.93% versus A0.
- Taxon
- cucumbersCucumis sativuse1
- Treatment
- A2e0
- Outcome
- soil respiration ratee0
- Direction
- increasede0
- Value
- 11.93%e0
- Comparator
- A0e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The A2 significantly increased soil respiration rate by 11.63% and 11.93%, respectively, compared with the A1 and A0 treatments”
e1“yield of greenhouse cucumbers”
Claim · model-written summary
A1 raised dissolved oxygen in soil water by 20.01% versus A0.
- Taxon
- cucumbersCucumis sativuse1
- Treatment
- A1e0
- Outcome
- DO in soil watere0
- Direction
- increasede0
- Value
- 20.01%e0
- Comparator
- A0e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under A1 and A2, the DO in soil water increased by 20.01% and 18.02%, respectively, compared with the A0”
e1“yield of greenhouse cucumbers”
Claim · model-written summary
A2 raised dissolved oxygen in soil water by 18.02% versus A0.
- Taxon
- cucumbersCucumis sativuse1
- Treatment
- A2e0
- Outcome
- DO in soil watere0
- Direction
- increasede0
- Value
- 18.02%e0
- Comparator
- A0e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under A1 and A2, the DO in soil water increased by 20.01% and 18.02%, respectively, compared with the A0”
e1“yield of greenhouse cucumbers”
Claim · model-written summary
A2 significantly increased root surface area, root volume and root tip number versus A0 at flowering and fruit set, mature and late stages.
- Taxon
- cucumbersCucumis sativuse1
- Organ / stage
- flowering and fruit sete0
- Treatment
- A2 treatmente0
- Outcome
- root surface area, root volume, root tip numbere0
- Direction
- increasede0
- Comparator
- A0 treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“during the flowering and fruit set, the mature, and the late stages, the root surface area, root volume, root tip number, root forks, and root dry weight in the A2 treatment significantly increased than that in the A0 treatment”
e1“yield of greenhouse cucumbers”
Claim · model-written summary
A2 significantly increased root forks and root dry weight versus A0 at the stated growth stages.
- Taxon
- cucumbersCucumis sativuse1
- Organ / stage
- the late stagese0
- Treatment
- A2 treatmente0
- Outcome
- root forks, and root dry weighte0
- Direction
- increasede0
- Comparator
- A0 treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“during the flowering and fruit set, the mature, and the late stages, the root surface area, root volume, root tip number, root forks, and root dry weight in the A2 treatment significantly increased than that in the A0 treatment”
e1“yield of greenhouse cucumbers”
Claim · model-written summary
Soil respiration rate, soil water dissolved oxygen, root length and root forks were main indices correlated with yield.
- Taxon
- cucumbersCucumis sativuse1
- Organ / stage
- roote0
- Outcome
- yielde0
- Qualifier
- main indexes correlated to the yielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The soil respiration rate, DO in soil water, root length, and root forks were the main indexes correlated to the yield”
e1“yield of greenhouse cucumbers”
Claim · model-written summary
Soil water dissolved oxygen and root fork number significantly influenced yield.
- Taxon
- cucumbersCucumis sativuse1
- Organ / stage
- root forkse0
- Outcome
- yielde0
- Qualifier
- DO in soil watere0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The DO in soil water and root forks number significantly influenced the yield”
e1“yield of greenhouse cucumbers”
Claim · model-written summary
A2 cucumber yield peaked at 53.04 t ha−1, 7.86% above A0.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- A2e0
- Outcome
- cucumber yielde0
- Direction
- increasede0
- Value
- 53.04 t ha−1e0
- Qualifier
- 7.86%e0
- Comparator
- A0 treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cucumber yield and economic benefits in A2 peaked at 53.04 t ha−1 and 3.95 × 104 USD ha−1, increased by 7.86% and 7.30% compared with that in the A0 treatment, respectively (p < 0.05)”
Claim · model-written summary
A2 economic benefits peaked at 3.95 × 104 USD ha−1, 7.30% above A0.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- A2e0
- Outcome
- economic benefitse0
- Direction
- increasede0
- Value
- 3.95 × 104 USD ha−1e0
- Qualifier
- 7.30%e0
- Comparator
- A0 treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cucumber yield and economic benefits in A2 peaked at 53.04 t ha−1 and 3.95 × 104 USD ha−1, increased by 7.86% and 7.30% compared with that in the A0 treatment, respectively (p < 0.05)”
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1 paper in the same direction as this paper
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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.