Abstract
The effects of soil permeability(0mm/d,10mm/d,20mm/d and 40mm/d)on root growth and nitrogen utilization in rice(IIYOU7954)was studied under pot experiment conditions.Results show the existence of a form of correlation in soil permeability and rice root growth.Appropriate soil water leakage can promote root growth and improve nitrogen utilization.At a permeability of 10mm/d,deep-root to total root number ratio is higher than the control at early growth stage, while white-root to total root number ratio is higher at flowering stage.Nitrogen recovery rate can attain 77.05%,outweighing that of the control.Grain yield is improved when rice is planted in soils with a leakage volume of 10mm/d.Grain yield,root growth and plant growth decrease if soil permeability exceeds 20mm/d.Appropriate volume of soil leakage improves the 1000-grain weight.However,the reverse effect is observed when soil permeability surpasses 20mm/d.
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Claims 10
Claim · model-written summary
Soil permeability correlated with rice root growth.
- Taxon
- rice
Oryza sativae0 - Outcome
- rice root growthe0
- Setting
- soil permeabilitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results show the existence of a form of correlation in soil permeability and rice root growth.”
t0“rice”
Claim · model-written summary
Appropriate leakage promoted root growth and nitrogen utilization.
- Taxon
- riceOryza sativat0
- Treatment
- Appropriate soil water leakagee0
- Outcome
- root growth and improve nitrogen utilizatione0
- Direction
- promotee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Appropriate soil water leakage can promote root growth and improve nitrogen utilization.”
t0“rice”
Claim · model-written summary
Deep-root ratio was higher at 10mm/d early in growth.
- Taxon
- riceOryza sativat0
- Organ / stage
- early growth stagee0
- Treatment
- permeability of 10mm/de0
- Outcome
- deep-root to total root number ratioe0
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At a permeability of 10mm/d,deep-root to total root number ratio is higher than the control at early growth stage, while white-root to total root number ratio is higher at flowering stage.”
t0“rice”
Claim · model-written summary
White-root ratio was higher at flowering.
- Taxon
- riceOryza sativat0
- Organ / stage
- flowering stagee0
- Treatment
- permeability of 10mm/de0
- Outcome
- white-root to total root number ratioe0
- Direction
- highere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At a permeability of 10mm/d,deep-root to total root number ratio is higher than the control at early growth stage, while white-root to total root number ratio is higher at flowering stage.”
t0“rice”
Claim · model-written summary
Nitrogen recovery reached 77.05%, above control.
- Taxon
- riceOryza sativat0
- Treatment
- soil permeabilitye1
- Outcome
- Nitrogen recovery ratee0
- Direction
- outweighinge0
- Value
- 77.05%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen recovery rate can attain 77.05%,outweighing that of the control.”
t0“rice”
e1“Results show the existence of a form of correlation in soil permeability and rice root growth.”
Claim · model-written summary
Rice grain yield improved at leakage volume 10mm/d.
- Taxon
- riceOryza sativae0
- Treatment
- leakage volume of 10mm/de0
- Outcome
- Grain yielde0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grain yield is improved when rice is planted in soils with a leakage volume of 10mm/d.”
t0“rice”
Claim · model-written summary
Grain yield decreased above 20mm/d.
- Taxon
- riceOryza sativat0
- Treatment
- soil permeability exceeds 20mm/de0
- Outcome
- Grain yielde0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grain yield,root growth and plant growth decrease if soil permeability exceeds 20mm/d.”
t0“rice”
Claim · model-written summary
Root and plant growth decreased above 20mm/d.
- Taxon
- riceOryza sativat0
- Treatment
- soil permeability exceeds 20mm/de0
- Outcome
- root growth and plant growthe0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grain yield,root growth and plant growth decrease if soil permeability exceeds 20mm/d.”
t0“rice”
Claim · model-written summary
Appropriate leakage improved 1000-grain weight.
- Taxon
- riceOryza sativat0
- Treatment
- Appropriate volume of soil leakagee0
- Outcome
- 1000-grain weighte0
- Direction
- improvese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Appropriate volume of soil leakage improves the 1000-grain weight.”
t0“rice”
Claim · model-written summary
Permeability above 20mm/d reversed the grain-weight effect.
- Taxon
- riceOryza sativat0
- Treatment
- soil permeability surpasses 20mm/de0
- Outcome
- reverse effecte0
- Direction
- reverse effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However,the reverse effect is observed when soil permeability surpasses 20mm/d.”
t0“rice”
The same questions in other papers
soil water · growth · Oryza sativa (rice)Positive and negative results
20 papers in the same direction as this paper · 18 in the opposite direction · 1 reporting no difference from an alternative
- negative
- negative
- negative
36 papers more in this group
See all 40 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.