Abstract
A field experiment was conducted from 1986 to 1988 on a highly erodible soil in north Mississippi to study the effects of seven cotton ( Gossypium hirsutum L.) cropping systems on soil erosion, stand establishment, fruiting, earliness, and yield. Stand counts for no‐till cotton following hairy vetch ( Vicia villosa Roth ) averaged 30% less than for conventional tillage cotton. No significant difference in yield between cropping systems occurred in 1986. Yields in 1987 decreased as tillage intensity increased, but this trend was reversed in 1988. Rainfall distribution within each growing season contributed to the variability in yield and fruiting response to tillage and cover crops. In 1986, no‐till cotton following wheat ( Triticum aestivum L.) had 16 fruiting sites per plant as compared with 32 sites with conventional‐till cotton. Lower rates of abscision in cotton planted no‐till into wheat offset the reduced fruiting site production. Averaged over years, the number of fruiting sites on the four lower reproductive branchs (Nodes 5/2‐8) were 11% less with no‐till cotton following wheat than conventional‐till cotton. Cotton fruiting for no‐till with vetch or native winter cover was similar to reduced and conventional‐till cotton.
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Claims 10
Claim · model-written summary
No-till cotton after hairy vetch had 30% fewer stands than conventional tillage cotton.
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- no‐till cotton following hairy vetche0
- Interactor
- hairy vetch
Vicia villosae0weed - Outcome
- Stand countse0
- Direction
- lesse0
- Value
- 30%e0
- Comparator
- conventional tillage cottone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stand counts for no‐till cotton following hairy vetch ( Vicia villosa Roth ) averaged 30% less than for conventional tillage cotton”
Claim · model-written summary
Cotton yield did not significantly differ among cropping systems in 1986.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- cropping systemse0
- Outcome
- yielde0
- Direction
- No significant differencee0
Not reportedComparatorSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No significant difference in yield between cropping systems occurred in 1986”
t0“Cotton”
Claim · model-written summary
Yield declined as tillage intensity increased in 1987.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- tillage intensitye0
- Outcome
- Yieldse0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields in 1987 decreased as tillage intensity increased”
t0“Cotton”
Claim · model-written summary
The yield trend with tillage intensity reversed in 1988.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- tillage intensitye0
- Outcome
- Yieldse0
- Direction
- reversede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields in 1987 decreased as tillage intensity increased, but this trend was reversed in 1988”
t0“Cotton”
Claim · model-written summary
Rainfall distribution contributed to variability in yield and fruiting responses.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- tillage and cover cropse0
- Outcome
- yield and fruiting responsee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rainfall distribution within each growing season contributed to the variability in yield and fruiting response to tillage and cover crops”
t0“Cotton”
Claim · model-written summary
No-till cotton after wheat had 16 fruiting sites per plant in 1986.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- no‐till cotton following wheate0
- Outcome
- fruiting sites per plante0
- Value
- 16e0
- Qualifier
- 32 sitese0
- Comparator
- conventional‐till cottone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 1986, no‐till cotton following wheat ( Triticum aestivum L.) had 16 fruiting sites per plant as compared with 32 sites with conventional‐till cotton”
Claim · model-written summary
Lower abscission in no-till cotton after wheat offset reduced fruiting-site production.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- no‐till into wheate0
- Outcome
- rates of abscisione0
- Direction
- Lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lower rates of abscision in cotton planted no‐till into wheat offset the reduced fruiting site production”
Claim · model-written summary
Lower-branch fruiting sites averaged 11% fewer in no-till cotton after wheat than conventional tillage.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- four lower reproductive branchse0
- Treatment
- no‐till cotton following wheate0
- Outcome
- number of fruiting sitese0
- Direction
- lesse0
- Value
- 11%e0
- Comparator
- conventional‐till cottone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the number of fruiting sites on the four lower reproductive branchs (Nodes 5/2‐8) were 11% less with no‐till cotton following wheat than conventional‐till cotton”
t0“Cotton”
Claim · model-written summary
Cotton fruiting under no-till with vetch resembled that under reduced and conventional tillage.
- Taxon
- CottonGossypium hirsutume0
- Treatment
- no‐till with vetche0
- Outcome
- fruitinge0
- Direction
- similare0
- Comparator
- reduced and conventional‐till cottone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton fruiting for no‐till with vetch or native winter cover was similar to reduced and conventional‐till cotton”
Claim · model-written summary
Cotton fruiting under no-till with native winter cover resembled that under reduced and conventional tillage.
- Taxon
- CottonGossypium hirsutume0
- Treatment
- no‐till with vetch or native winter covere0
- Outcome
- fruitinge0
- Direction
- similare0
- Comparator
- reduced and conventional‐till cottone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton fruiting for no‐till with vetch or native winter cover was similar to reduced and conventional‐till cotton”
The same questions in other papers
Triticum aestivum · phenology · Gossypium hirsutum (cotton)Results agree
2 papers in the same direction as this paper
- negative
- negative
tillage · phenology · Gossypium hirsutum (cotton)Positive and negative results
3 in the opposite direction
- positive
- positive
- positive
cultivation system · yield · Gossypium hirsutum (cotton)Positive and negative results
4 papers in the same direction as this paper · 25 in the opposite direction
- positive
- positive
- positive
26 papers more in this group
See all 30 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.