Abstract
Although cotton (Gossypium hirsutum L.) has traditionally been grown under a continuous monoculture production system in the Mississippi Delta, some cotton producers have begun rotating their land with corn (Zea mays L.) because of economic and agronomic factors. Because of the lack of knowledge regarding corn and cotton rotation systems in this region, the objectives of this research were to determine the effect on the growth and development, lint yield, yield components, and fiber quality of cotton grown following 1 or 2 yr of corn. The four rotation production systems were 1) continuous cotton, 2) continuous corn, 3) corn-cotton-corn-cotton, 4) cotton-corncorn-cotton. The study was conducted during the 2000 through 2003 growing seasons at Stoneville, MS, using four cotton cultivars (PayMaster 1218BR, Phytogen PSC 952, Stoneville 4691B, and SureGrow 747). Cotton was grown in the final year (2003) for all the rotation systems that had cotton as a component. Cotton was 10% taller when grown after 1 yr of corn and 13% taller after 2 yr of corn. Specific leaf weights (SLW) were 7% to 8% lower for cotton grown following corn than for continuously grown cotton. Cotton grown following 2 yr of corn yielded 13% more lint than the continuously grown cotton primarily because of the production of 13% more bolls per unit ground area. None of the other cotton yield components were different among the rotation systems. Micronaire from continuously grown cotton fiber was 1% and 3% greater than the fiber produced by cotton following 1 or 2 yr of corn, respectively. This minimal yield increase would probably not be sufficient to justify a change in cotton production systems; however, other economic factors or pest problems (disease, insects, weeds, or nematodes) might be important enough to justify a switch to this rotation.
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Claims 9
Claim · model-written summary
Cotton grown after 1 yr of corn was 10% taller than continuous cotton.
- Taxon
- Cotton
Gossypium hirsutume1 - Treatment
- grown after 1 yr of corne1
- Outcome
- tallere1
- Direction
- tallere1
- Value
- 10%e1
- Comparator
- continuous cottone2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Cotton was 10% taller when grown after 1 yr of corn”
e2“The four rotation production systems were 1) continuous cotton, 2) continuous corn, 3) corn-cotton-corn-cotton, 4) cotton-corncorn-cotton”
Claim · model-written summary
Cotton grown after 2 yr of corn was 13% taller than continuous cotton.
- Taxon
- CottonGossypium hirsutume1
- Treatment
- after 2 yr of corne3
- Outcome
- tallere3
- Direction
- tallere3
- Value
- 13%e3
- Comparator
- continuous cottone2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Cotton was 10% taller when grown after 1 yr of corn”
e2“The four rotation production systems were 1) continuous cotton, 2) continuous corn, 3) corn-cotton-corn-cotton, 4) cotton-corncorn-cotton”
e3“13% taller after 2 yr of corn”
Claim · model-written summary
Cotton grown following 2 yr of corn yielded 13% more lint than continuously grown cotton.
- Taxon
- CottonGossypium hirsutume4
- Treatment
- following 2 yr of corne4
- Outcome
- linte4
- Direction
- moree4
- Value
- 13%e4
- Comparator
- continuously grown cottone4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Cotton grown following 2 yr of corn yielded 13% more lint than the continuously grown cotton primarily because of the production of 13% more bolls per unit ground area”
Claim · model-written summary
Cotton grown following 2 yr of corn had 13% more bolls per unit ground area than continuously grown cotton.
- Taxon
- CottonGossypium hirsutume4
- Treatment
- following 2 yr of corne4
- Outcome
- bolls per unit ground areae4
- Direction
- moree4
- Value
- 13%e4
- Comparator
- continuously grown cottone4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Cotton grown following 2 yr of corn yielded 13% more lint than the continuously grown cotton primarily because of the production of 13% more bolls per unit ground area”
Claim · model-written summary
None of the other cotton yield components differed among the rotation systems.
- Taxon
- cottonGossypium hirsutume5
- Outcome
- other cotton yield componentse5
- Qualifier
- among the rotation systemse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“None of the other cotton yield components were different among the rotation systems”
Claim · model-written summary
Micronaire of continuously grown cotton fiber was 1% greater than fiber from cotton following 1 yr of corn.
- Taxon
- cottonGossypium hirsutume6
- Treatment
- continuously grown cotton fibere6
- Outcome
- Micronairee6
- Direction
- greatere6
- Value
- 1%e6
- Comparator
- the fiber produced by cotton following 1 or 2 yr of corne6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Micronaire from continuously grown cotton fiber was 1% and 3% greater than the fiber produced by cotton following 1 or 2 yr of corn, respectively”
Claim · model-written summary
Micronaire of continuously grown cotton fiber was 3% greater than fiber from cotton following 2 yr of corn.
- Taxon
- cottonGossypium hirsutume6
- Treatment
- continuously grown cotton fibere6
- Outcome
- Micronairee6
- Direction
- greatere6
- Value
- 3%e6
- Comparator
- the fiber produced by cotton following 1 or 2 yr of corne6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Micronaire from continuously grown cotton fiber was 1% and 3% greater than the fiber produced by cotton following 1 or 2 yr of corn, respectively”
Claim · model-written summary
The minimal yield increase from corn rotation would probably not justify a change in cotton production systems.
- Taxon
- cottonGossypium hirsutume7
- Outcome
- a change in cotton production systemse7
- Qualifier
- would probably not be sufficiente7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“This minimal yield increase would probably not be sufficient to justify a change in cotton production systems”
Claim · model-written summary
Other economic factors or pest problems might be important enough to justify a switch to the corn rotation.
- Taxon
- cottonGossypium hirsutume2
- Outcome
- switch to this rotatione3
- Qualifier
- might be important enoughe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The four rotation production systems were 1) continuous cotton, 2) continuous corn, 3) corn-cotton-corn-cotton, 4) cotton-corncorn-cotton”
e3“other economic factors or pest problems (disease, insects, weeds, or nematodes) might be important enough to justify a switch to this rotation”
The same questions in other papers
Zea mays subsp. mays · yield · Gossypium hirsutum (cotton)Positive and negative results
7 papers in the same direction as this paper · 3 in the opposite direction
- no effect
- negative
- negative
7 papers more in this group
See all 11 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.