Abstract
Abstract A field experiment was conducted to evaluate the effect of three water‐table depths (30, 60, and 90 cm) on growth of cotton ( Gossypium hirsutum L. var. ‘;Stoneville 213’). Soil aeration, plant water relations, cotton seed yield, and nutrient uptake were measured. The depth of the water table was controlled by adding water to subsurface drains. The optimum water‐table depth was 90 cm or greater with reductions in seed cotton yield of 43 and 25% for water‐table depths of 30 and 60 cm, respectively. As the water‐table depth increased from 30 to 90 cm, concentrations in stems and leaves of N, Ca, K, and Cu increased whereas concentrations of P, Mg, Na, B, and Cl decreased. Increasing the water‐table depth increased the total uptake of all elements studied. When the water‐table depth was increased from 30 to 90 cm, the soil aeration status increased considerably as measured by soil oxygen content, redox potential, and oxygen diffusion rate.
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Claims 8
Claim · model-written summary
Seed cotton yield was reduced by 43% at the shallow water-table depth of 30 cm relative to 90 cm or greater
- Taxon
- Cotton
Gossypium hirsutumt0 - Treatment
- water‐table depths of 30 and 60 cme1
- Outcome
- seed cotton yielde1
- Direction
- reductionse1
- Value
- 43e1
- Comparator
- 90 cm or greatere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The optimum water‐table depth was 90 cm or greater with reductions in seed cotton yield of 43 and 25% for water‐table depths of 30 and 60 cm, respectively”
t0“Cotton Yield”
Claim · model-written summary
Seed cotton yield was reduced by 25% at the water-table depth of 60 cm relative to 90 cm or greater
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- water‐table depths of 30 and 60 cme1
- Outcome
- seed cotton yielde1
- Direction
- reductionse1
- Value
- 25%e1
- Comparator
- 90 cm or greatere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The optimum water‐table depth was 90 cm or greater with reductions in seed cotton yield of 43 and 25% for water‐table depths of 30 and 60 cm, respectively”
t0“Cotton Yield”
Claim · model-written summary
Concentrations of N, Ca and K in cotton stems and leaves increased as water-table depth rose from 30 to 90 cm
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- stems and leavese2
- Treatment
- water‐table depth increased from 30 to 90 cme2
- Outcome
- concentrations in stems and leavese2
- Direction
- increasede2
- Qualifier
- N, Ca, Ke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Yield”
e2“As the water‐table depth increased from 30 to 90 cm, concentrations in stems and leaves of N, Ca, K, and Cu increased whereas concentrations of P, Mg, Na, B, and Cl decreased”
Claim · model-written summary
Concentration of Cu in cotton stems and leaves increased as water-table depth rose from 30 to 90 cm
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- stems and leavese2
- Treatment
- water‐table depth increased from 30 to 90 cme2
- Outcome
- concentrations in stems and leavese2
- Direction
- increasede2
- Qualifier
- Cue2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Yield”
e2“As the water‐table depth increased from 30 to 90 cm, concentrations in stems and leaves of N, Ca, K, and Cu increased whereas concentrations of P, Mg, Na, B, and Cl decreased”
Claim · model-written summary
Concentrations of P, Mg and Na in cotton decreased as water-table depth rose from 30 to 90 cm
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- water‐table depth increased from 30 to 90 cme2
- Outcome
- concentrations of P, Mg, Nae2
- Direction
- decreasede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Yield”
e2“As the water‐table depth increased from 30 to 90 cm, concentrations in stems and leaves of N, Ca, K, and Cu increased whereas concentrations of P, Mg, Na, B, and Cl decreased”
Claim · model-written summary
Concentrations of B and Cl in cotton decreased as water-table depth rose from 30 to 90 cm
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- water‐table depth increased from 30 to 90 cme2
- Outcome
- concentrations ofe2
- Direction
- decreasede2
- Qualifier
- B, and Cle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Yield”
e2“As the water‐table depth increased from 30 to 90 cm, concentrations in stems and leaves of N, Ca, K, and Cu increased whereas concentrations of P, Mg, Na, B, and Cl decreased”
Claim · model-written summary
Total uptake of all measured elements by cotton increased with increasing water-table depth
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- Increasing the water‐table depthe3
- Outcome
- total uptake of all elements studiede3
- Direction
- increasede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Yield”
e3“Increasing the water‐table depth increased the total uptake of all elements studied”
Claim · model-written summary
Soil aeration status increased considerably when water-table depth was raised from 30 to 90 cm
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- water‐table depth was increased from 30 to 90 cme4
- Outcome
- soil aeration statuse4
- Direction
- increasede4
- Qualifier
- soil oxygen content, redox potential, and oxygen diffusion ratee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cotton Yield”
e4“When the water‐table depth was increased from 30 to 90 cm, the soil aeration status increased considerably as measured by soil oxygen content, redox potential, and oxygen diffusion rate”
The same questions in other papers
soil water · yield · Gossypium hirsutum (cotton)Positive and negative results
6 papers in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
8 papers more in this group
See all 12 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.