Intervention effectmodel-written summary

Broad-spectrum herbicides with conventional tillage produced the highest boll number, boll weight and seed cotton yield.

A claim from Impact of Tillage and Herbicides on Weed Density, Yield and Quality of Cotton in Wheat Based Cropping System · 2013

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Broad-spectrum herbicides with conventional tillage produced the highest boll number, boll weight and seed cotton yield.

Treatment
Broad-spectrum herbicides × CTe0
Outcome
number of bolls/plant, boll weight and seed cotton yielde0
Direction
higheste0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Broad-spectrum herbicides × CT produced the highest number of bolls/plant, boll weight and seed cotton yield.”

✓ located verbatim in the source · abstract, characters 1353–1462
t0

“Cotton”

✓ located verbatim in the source · title, characters 71–77

Title

Impact of Tillage and Herbicides on Weed Density, Yield and Quality of Cotton in Wheat Based Cropping System

Khalid Usman; Niamatullah Khan; Muhammad Umar Khan; et al. Journal of Integrative Agriculture 2013. doi:10.1016/s2095-3119(13)60339-1

Other claims from this paper (6)

Record rev-f3cf103c9414b938736ae928c38bbea182729123d7e33a1cfe5ffab9ecc3fc47 · schema claims-v0.9 · position 5 in the model’s answer

tillage · yield · Gossypium hirsutum (cotton)Positive and negative results

159 papers: 113 positive, 46 negative or no effect

112 papers in the same direction as this claim · 38 in the opposite direction · 8 reporting no difference from an alternative

  1. no effect
    No conservation tillage system increased cotton yield over fall plowing.

    Conservation Tillage Systems for Cotton Production · 1985 · compared with fall plow system

    Opposite directionCited by this paper

  2. no effect
    Cotton lint yield following fallow or rye did not differ between tillage systems.

    Winter Cover and Tillage Influences on Coastal Plain Cotton Production · 1996

    Opposite directionCited by this paper

  3. positive
    Years three to five no tillage yield was 18 to 42% greater than conventional tillage.

    Tillage Systems for Cotton on Silty Upland Soils · 1996 · compared with conventional tillage

    Same directionCited by this paper

  4. negative
    Gross margins were lower with no tillage rye cover than conventional tillage.

    Soil Benefits and Yield Limitations of Cover Crop Use in Texas High Plains Cotton · 2018 · compared with conventional tillage

    Opposite direction

  5. negative
    California organic cotton, tomato and eggplant under no-till suffered crop failure or yields below 20% of standard production.

    Conservation tillage for organic agriculture: Evolution toward hybrid systems in the western USA · 2012 · compared with standard production method

    Opposite direction

  6. negative
    Strongly acid Norfolk subsoil reduced cotton yield.

    Differential Response of Cotton and Peanuts to Subsoil Acidity1 · 1970

    Opposite direction

  7. negative
    No-till reduced boll number by 8% relative to conventional tillage, contributing to lower lint yield.

    Cotton Growth under No‐Till Production in the Lower Mississippi River Valley Alluvial Flood Plain · 2001 · compared with conventional tillage

    Opposite direction

  8. no effect
    Cotton yield did not differ among tillage one, two, or three years previously over two years.

    EFFECT OF ANNUAL, BIENNIAL, AND TRIENNIAL IN-ROW SUBSOILING ON SOIL COMPACTION AND COTTON YIELD IN SOUTHEASTERN U.S. SILT LOAM SOILS · 2005

    Opposite direction

150 papers more in this group

See all 159 papers →

herbicide · yield · Gossypium hirsutum (cotton)Positive and negative results

182 papers: 123 positive, 59 negative or no effect

122 papers in the same direction as this claim · 51 in the opposite direction · 8 reporting no difference from an alternative

  1. no effect
    Longer weed control did not increase yield.

    Influence of Weed Competition on Cotton · 1970

    Opposite direction

  2. negative
    The highest herbicide rates reduced yield for most crops.

    Cotton, Peanut, and Soybean Response to Sublethal Rates of Dicamba, Glufosinate, and 2,4-D · 2012

    Opposite direction

  3. negative
    Winter fallow with PRE plus POST yielded significantly less cotton than systems with winter cover crops in two of three years.

    Evaluation of Three Winter Cereals for Weed Control in Conservation-Tillage Nontransgenic Cotton · 2005 · compared with systems that included a winter cover crop

    Opposite direction

  4. no effect
    Postemergence application of 1.1 kg ae/ha of MSMA did not reduce cotton yield.

    Interaction of Fluometuron and MSMA with Sethoxydim and Fluazifop · 1987

    Opposite direction

  5. no effect
    Three or more herbicide applications produced similar lint yields at Clayton and Lewiston.

    Weed Control and Yield with Flumioxazin, Fomesafen, andS-Metolachlor Systems for Glufosinate-Resistant Cotton Residual Weed Management · 2009

    Opposite direction

  6. negative
    Glyphosate applied at the four-leaf POST stage lowered pollen viability in GR cotton by 51 in the first week of flowering compared with untreated GR plants.

    Glyphosate-induced reductions in pollen viability and seed set in glyphosate-resistant cotton and attempted remediation by gibberellic acid (GA3) · 2003 · compared with GR plants that were not treated

    Opposite direction

  7. negative
    Herbicide treatments reduced first-harvest seed cotton yield except in 1987 and DES 119 in 1990.

    The Influence of Fluometuron and MSMA on Cotton Yield and Fruiting Characteristics · 1994

    Opposite direction

  8. negative
    Cotton yield reduction increased as the 2,4-D rate increased from 1/1,200 to 1/400 of the use rate.

    Cotton Injury and Yield as Affected by Simulated Drift of 2,4-D and Dicamba · 2008

    Opposite direction

173 papers more in this group

See all 182 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.