Intervention effectmodel-written summary

Sesbania and Crotalaria brown manuring with 2,4-D reduced weed density by about 93%.

A claim from Brown manuring in maize (Zea mays): Effects on weed interference and crop productivity · 2024

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Sesbania and Crotalaria brown manuring with 2,4-D reduced weed density by about 93%.

Taxon
maizeZea mayst0
Treatment
1:1 mixture of Sesbania bispinosa (12.5 kg seed/ha) + Crotalaria juncea L. (12.5 kg seed/ha) supplemented with 2,4-D 0.5 kg/ha applied at 35 DASe0
Outcome
weed densitye0
Direction
reductione0
Value
~93%e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“growing of 1:1 mixture of Sesbania bispinosa (12.5 kg seed/ha) + Crotalaria juncea L. (12.5 kg seed/ha) supplemented with 2,4-D 0.5 kg/ha applied at 35 DAS, resulted in the highest reduction in weed density (~93%)”

✓ located verbatim in the source · abstract, characters 369–582
t0

“maize (Zea mays)”

✓ located verbatim in the source · title, characters 18–34

Title

Brown manuring in maize (Zea mays): Effects on weed interference and crop productivity

BISWARANJAN BEHERA; T.K. DAS; SOURAV GHOSH; et al. Indian Journal of Agronomy 2024. doi:10.59797/ija.v63i4.5695

Other claims from this paper (8)

Record rev-abebc403583d7d18c88cad9a1852bd94d0c05a430930457cdbc125fa6ec14b0e · schema claims-v0.9 · position 2 in the model’s answer

2,4-D · weed · Zea mays (maize)Positive and negative results

36 papers: 31 positive, 5 negative or no effect

30 papers in the same direction as this claim · 4 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
    The 15 kg/ha Sesbania practice improved weed control.

    Brown manuring optimization in maize: impacts on weeds, crop productivity and profitability · 2019

    Same directionCites this paper

  2. negative
    The mixtures increased the number of dominant weeds.

    The Growth and Yield of Sweet Corn under Minimum Tillage Technology by Using Various Doses of Herbicide Mixtures of Glyphosate and 2,4-D · 2019

    Opposite direction

  3. negative
    2,4-D applied pre plus post emergence failed to give satisfactory weed control in maize.

    Comparison of Different Herbicides and their Effect on Growth, Yield and Control of Weeds in Maize* · 1975

    Opposite direction

  4. negative
    Eradican plus 2,4-D and MCPA gave the lowest weed control, at 55%.

    Feasibility of Cycloxydim Herbicide Application in Maize (Zea mays) Weed Control · 2017

    Opposite direction

  5. negative
    Atrazine+2,4-D increased the dry weight, NPK content and uptake of the weed.

    Effect of Various Chemical Herbicides on Nutrient uptake, Yield Attributes and Economics of Maize (Zea mays L.) · 2016

    Opposite direction

  6. no effect
    Adding 2,4-D to glyphosate did not improve weed control in corn.

    Combinations of Nonselective Herbicides for Difficult to Control Weeds in No-Till Corn,Zea mays, and Soybeans,Glycine max · 1988 · compared with glyphosate

    No difference from an alternative

  7. positive
    2,4-D alone then dicamba controlled annual broadleaf weeds similarly to 2,4-D plus residual herbicides.

    Mechanical versus herbicidal strategies for killing a hairy vetch cover crop and controlling weeds in minimum-tillage corn production · 2003 · compared with 2,4-D plus residual herbicides

    Same direction

  8. positive
    Atrazine followed by 2,4-D kept weed density and dry weight below the economic threshold in rainfed maize.

    Impact of herbicides on weeds and soil ecosystem of rainfed maize (Zea mays L.) · 2005

    Same direction

27 papers more in this group

See all 36 papers →

Sesbania bispinosa · weed · Zea mays (maize)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this claim

  1. positive
    The mixed Sesbania and Crotalaria stand knocked down at 35 DAS gave 91.9% weed control index, similar to weed-free control.

    Brown Manure Species, Weeds and Maize in a Co-Culture in the Field: Who Stands More Competitive? · 2019 · compared with weed-free control

    Same direction

See all 2 papers →

Crotalaria juncea · weed · Zea mays (maize)Results agree

5 papers: 5 positive, 0 negative or no effect

4 papers in the same direction as this claim

  1. positive
    Maize–black sunnhemp reduced weed numbers by up to 94% at DTC.

    Contribution of Cover Crops to the Productivity of Maize‐Based Conservation Agriculture Systems in Zimbabwe · 2015

    Same direction

  2. positive
    Red sunnhemp rotation significantly reduced early weed density and biomass.

    Effect of short-term maize–cover crop rotations on weed emergence, biomass and species composition under conservation agriculture · 2019 · compared with maize

    Same direction

  3. positive
    The mixed Sesbania and Crotalaria stand knocked down at 35 DAS gave 91.9% weed control index, similar to weed-free control.

    Brown Manure Species, Weeds and Maize in a Co-Culture in the Field: Who Stands More Competitive? · 2019 · compared with weed-free control

    Same direction

  4. positive
    Intercropping maize with sunn hemp reduced the proportion of weeds in the crop to 9.9% compared with 20.5% in monoculture with ears, and was more effective than lablab.

    Silage from high protein value white corn (Zea mays L.) with and without ears associated with two annual legumes, lablab (Lablab purpureus L.) and sunn hemp (Crotalaria juncea L.) · 2020 · compared with CE

    Same direction

See all 5 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.