Abstract
Core Ideas There was little interaction between tillage and irrigation on agronomic parameters. Excessive rainfall minimized agronomic benefits of the rolled rye cover crop. Continuous experiments are likely optimal to properly evaluate cover crop systems. Concerns surrounding agricultural water use have increased interest in investigating more efficient cotton ( Gossypium hirsutum L.) production practices. A study was conducted to determine potential water savings from using a conservation tillage system employing a cereal rye ( Secale cereale L.) cover crop. The performance of early and late maturing cotton cultivars was assessed in two tillage systems, conventional or strip tillage with a rye cover crop, under various irrigation levels (100, 75, and 50% of University of Georgia recommendations, and non‐irrigated) to determine the effect of crop growth, development, and yield in Camilla, GA (2013 and 2014), Moultrie, GA (2014), and Vienna, GA (2014). At Camilla, increases in irrigation typically benefited the cotton crop regardless of tillage treatment; however, there was little difference between the two highest irrigation treatments, suggesting that application rates <100% recommendations could result in water savings. During 2013, excessive rainfall resulted in minimal soil moisturedifferences; subsequently, cotton growth, development, and yield were negatively impacted under strip tillage compared with conventional. Although almost half the rainfall was received in 2014 compared with 2013, and the conservation tillage system benefited crop growth and development, no yield differences were observed. At Moultrie and Vienna, either no difference between tillage systems or only benefits to crop growth and development in the conventional tillage system occurred. Results illustrate that the potential impact of cover crops is highly dependent on environmental conditions and is likely minimal under slight to moderate water deficit conditions, but can be detrimental when excessive rainfall occurs.
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Claims 16
Claim · model-written summary
Little interaction between tillage and irrigation was found for cotton agronomic parameters.
- Taxon
- Cotton
Gossypium hirsutumt0 - Outcome
- little interaction between tillage and irrigation on agronomic parameterse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e1“There was little interaction between tillage and irrigation on agronomic parameters”
Claim · model-written summary
Excessive rainfall minimized agronomic benefits of the rolled rye cover crop in cotton.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- Excessive rainfalle2
- Outcome
- agronomic benefits of the rolled rye cover crope2
- Direction
- minimizede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e2“Excessive rainfall minimized agronomic benefits of the rolled rye cover crop”
Claim · model-written summary
Continuous experiments are likely optimal to properly evaluate cover crop systems.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- properly evaluate cover crop systemse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e3“Continuous experiments are likely optimal to properly evaluate cover crop systems”
Claim · model-written summary
During 2013, excessive rainfall resulted in minimal soil moisture differences in cotton trials.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- excessive rainfalle4
- Outcome
- soil moisturee4
- Qualifier
- minimale4
- Setting
- 2013e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e4“During 2013, excessive rainfall resulted in minimal soil moisturedifferences”
Claim · model-written summary
Strip tillage with rye cover crop negatively impacted cotton growth, development and yield in 2013 compared with conventional tillage.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- strip tillagee3
- Outcome
- cotton growth, development, and yielde3
- Direction
- negatively impactede3
- Comparator
- conventionale3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e3“cotton growth, development, and yield were negatively impacted under strip tillage compared with conventional”
Claim · model-written summary
Almost half the rainfall was received in 2014 compared with 2013.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- rainfall was received in 2014e5
- Value
- almost halfe5
- Comparator
- 2013e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e5“Although almost half the rainfall was received in 2014 compared with 2013”
Claim · model-written summary
Conservation tillage with rye cover crop benefited cotton growth and development in 2014 compared with conventional tillage.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- conservation tillage systeme6
- Outcome
- crop growth and developmente6
- Direction
- benefitede6
- Comparator
- conventionale3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e6“the conservation tillage system benefited crop growth and development”
e3“cotton growth, development, and yield were negatively impacted under strip tillage compared with conventional”
Claim · model-written summary
No yield difference was observed between tillage systems in cotton.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- yield differencese7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e7“no yield differences were observed”
Claim · model-written summary
At Camilla, increases in irrigation typically benefited cotton regardless of tillage treatment.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- increases in irrigatione6
- Outcome
- cotton crope6
- Direction
- benefitede6
- Setting
- Camillae6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e6“At Camilla, increases in irrigation typically benefited the cotton crop regardless of tillage treatment”
Claim · model-written summary
Little difference was found between the two highest irrigation treatments in cotton.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- difference between the two highest irrigation treatmentse7
- Qualifier
- littlee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e7“there was little difference between the two highest irrigation treatments”
Claim · model-written summary
Irrigation below 100% of recommendations could result in water savings for cotton.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- water savingse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e5“application rates <100% recommendations could result in water savings”
Claim · model-written summary
At Moultrie and Vienna, no difference between tillage systems was found for cotton.
- Taxon
- CottonGossypium hirsutumt0
- Outcome
- no difference between tillage systemse6
- Setting
- Moultrie and Viennae6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e6“At Moultrie and Vienna, either no difference between tillage systems or only benefits to crop growth and development in the conventional tillage system occurred”
Claim · model-written summary
At Moultrie and Vienna, benefits to cotton growth and development occurred only in the conventional tillage system.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- conventional tillage systeme6
- Outcome
- benefits to crop growth and developmente6
- Setting
- Moultrie and Viennae6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e6“At Moultrie and Vienna, either no difference between tillage systems or only benefits to crop growth and development in the conventional tillage system occurred”
Claim · model-written summary
Cover crop impact on cotton is likely minimal under slight to moderate water deficit conditions.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- slight to moderate water deficit conditionse7
- Outcome
- potential impact of cover cropse7
- Direction
- minimale7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e7“the potential impact of cover crops is highly dependent on environmental conditions and is likely minimal under slight to moderate water deficit conditions”
Claim · model-written summary
Cover crop impact on cotton can be detrimental when excessive rainfall occurs.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- excessive rainfalle6
- Outcome
- potential impact of cover cropse7
- Direction
- detrimentale6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e7“the potential impact of cover crops is highly dependent on environmental conditions and is likely minimal under slight to moderate water deficit conditions”
e6“but can be detrimental when excessive rainfall occurs”
Claim · model-written summary
Cover crop impact on cotton is highly dependent on environmental conditions.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- environmental conditionse7
- Outcome
- potential impact of cover cropse7
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Tillage and Irrigation Impact on Early and Late Maturing Cotton Cultivars”
e7“the potential impact of cover crops is highly dependent on environmental conditions and is likely minimal under slight to moderate water deficit conditions”
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See all 159 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.