Abstract
Mid-South United States (US) cotton producers are now rotating cotton (Gossypium hirsutum L.) with other crops such as corn (Zea mays L.) or soybean [Glycine max (L.) Merr.] , in response to economic conditions, rather than growing cotton continuously as was the tradition. This research investigated cotton growth and development, lint yield, and fiber quality when cotton was grown following soybean compared to following cotton. Cotton and soybean were grown in six rotational sequences (CCCC, SSSS, CSCS, CSSC, SCSC, and SCCS) during 2012-2015 at Stoneville, MS. These rotations were imposed in production systems utilizing either transgenic or conventional cultivars, with or without glyphosate in the herbicide regime. Dry matter partitioning, leaf chlorophyll (Chl) concentration, lint yield, and fiber quality data were collected. Years when cotton was grown following soybean, produced cotton plants that were on average 13% taller, intercepted on average 6% more sunlight, and contained 13% greater leaf Chl concentrations compared to plants in continuous cotton. Cotton grown following soybean produced increased yields one of the two years. Fiber quality was not impacted by the different rotation sequences. Cotton grown in a conventional production system was competitive with that grown in a transgenic production system. The yield increase observed when growing cotton in rotation with soybean is possibly due to increased soil N via N-fixation from the prior soybean crop and/or due to altered soil microbial populations favorable to the subsequent cotton crop.
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Claims 7
Claim · model-written summary
Cotton grown after soybean was on average 13% taller than cotton in continuous cotton.
- Taxon
- cotton
Gossypium hirsutume1 - Treatment
- grown following soybeane1
- Outcome
- cotton plantse1
- Direction
- tallere1
- Value
- 13%e1
- Comparator
- continuous cottone1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Years when cotton was grown following soybean, produced cotton plants that were on average 13% taller, intercepted on average 6% more sunlight, and contained 13% greater leaf Chl concentrations compared to plants in continuous cotton”
Claim · model-written summary
Cotton grown after soybean intercepted on average 6% more sunlight than cotton in continuous cotton.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- grown following soybeane1
- Outcome
- sunlighte1
- Direction
- moree1
- Value
- 6%e1
- Comparator
- continuous cottone1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Years when cotton was grown following soybean, produced cotton plants that were on average 13% taller, intercepted on average 6% more sunlight, and contained 13% greater leaf Chl concentrations compared to plants in continuous cotton”
Claim · model-written summary
Cotton grown after soybean had 13% greater leaf chlorophyll concentrations than cotton in continuous cotton.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- grown following soybeane1
- Outcome
- leaf Chl concentrationse1
- Direction
- greatere1
- Value
- 13%e1
- Comparator
- continuous cottone1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Years when cotton was grown following soybean, produced cotton plants that were on average 13% taller, intercepted on average 6% more sunlight, and contained 13% greater leaf Chl concentrations compared to plants in continuous cotton”
Claim · model-written summary
Cotton grown following soybean produced increased yields in one of the two years.
- Taxon
- CottonGossypium hirsutume2
- Treatment
- grown following soybeane2
- Outcome
- yieldse2
- Direction
- increasede2
- Qualifier
- one of the two yearse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Cotton grown following soybean produced increased yields one of the two years”
Claim · model-written summary
Fiber quality was not impacted by the different rotation sequences.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- rotation sequencese3
- Outcome
- Fiber qualitye3
- Direction
- not impactede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Years when cotton was grown following soybean, produced cotton plants that were on average 13% taller, intercepted on average 6% more sunlight, and contained 13% greater leaf Chl concentrations compared to plants in continuous cotton”
e3“Fiber quality was not impacted by the different rotation sequences”
Claim · model-written summary
Cotton grown in a conventional production system was competitive with cotton grown in a transgenic production system.
- Taxon
- CottonGossypium hirsutume4
- Treatment
- conventional production systeme4
- Outcome
- competitivee4
- Comparator
- transgenic production systeme4
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Cotton grown in a conventional production system was competitive with that grown in a transgenic production system”
Claim · model-written summary
The yield increase from rotating cotton with soybean is possibly due to more soil N from N-fixation and to altered soil microbial populations.
- Taxon
- cottonGossypium hirsutume5
- Outcome
- The yield increasee5
- Qualifier
- increased soil N via N-fixation from the prior soybean crop and/or due to altered soil microbial populationse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“The yield increase observed when growing cotton in rotation with soybean is possibly due to increased soil N via N-fixation from the prior soybean crop and/or due to altered soil microbial populations favorable to the subsequent cotton crop”
The same questions in other papers
Glycine max · yield · Gossypium hirsutum (cotton)Positive and negative results
17 papers in the same direction as this paper · 7 in the opposite direction · 2 reporting no difference from an alternative
- no effect
- negative
- no effect
23 papers more in this group
See all 27 papers →Glycine max · organism · Gossypium hirsutum (cotton)Results agree
2 papers in the same direction as this paper
- positive
- positive
rotation · quality: grain · Gossypium hirsutum (cotton)Positive and negative results
5 papers in the same direction as this paper · 3 in the opposite direction
- positive
- positive
- positive
5 papers more in this group
See all 9 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.