Intervention effectmodel-written summary

Butachlor + hand weeding (40 DAS) gave the highest weed-control efficiency, closely followed by hand weeding twice (20 and 40 DAS).

A claim from Integrated weed management in direct-seeded rainfed rice (Oryza sativa) · 2001

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Butachlor + hand weeding (40 DAS) gave the highest weed-control efficiency, closely followed by hand weeding twice (20 and 40 DAS).

Taxon
Oryza sativaOryza sativat0
Treatment
butachlor + hand weeding (40 DAS)e0
Interactor
weedse0weed
Outcome
weed-control effi- ciencye0
Direction
higheste0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“The highest weed-control effi- ciency and loweet nutrient uptake by weeds was recorded with butachlor + hand weeding (40 DAS)”

✓ located verbatim in the source · abstract, characters 525–650
t0

“Oryza sativa”

✓ located verbatim in the source · title, characters 58–70

Title

Integrated weed management in direct-seeded rainfed rice (Oryza sativa)

K.A. GOPINATH; B.L. MINA; K.P. SINGH; et al. Indian Journal of Agronomy 2001. doi:10.59797/ija.v57i3.4642

Other claims from this paper (11)

Record rev-6bb8aad727fdc27c1eef0c752c7224f31e9ea9335fa65134d8abc9c7422f22c8 · schema claims-v0.9 · position 3 in the model’s answer

butachlor · weed · Oryza sativa (rice)Results differ

97 papers: 90 positive, 7 negative or no effect

89 papers in the same direction as this claim · 4 in the opposite direction · 3 reporting no difference from an alternative

  1. negative
    Butachlor gave higher weed density and biomass than the other treatments in boro rice.

    COMPARATIVE EFFICACY OF HERBICIDES IN WEED CONTROL AND ENHANCEMENT OF PRODUCTIVITY AND PROFITABILITY OF RICE · 2017 · compared with the others

    Opposite direction

  2. no effect
    Water overflowing from plots 2 h after applying butachlor at 0.3 to 1.0 kg ai/ha did not decrease weed control in the treated plots.

    Effect of water overflowing from a herbicide‐treated rice field on herbicide performance · 1992

    Opposite direction

  3. negative
    Butachlor at 1.5 kg/ha was less effective against broad-leaved weeds and sedges at 30 and 90 days after sowing.

    Weed suppression and production potential of direct-seeded puddled rice (Oryza sativa) as affected by herbicides under varying water management practices · 2010

    Opposite direction

  4. no effect
    Butachlor did not affect the density and dry weight of weeds.

    Assessment of Performance the Recorded Herbicides in Rice (Oryza sativa) to Control Weed Species in Raton · 2017

    Opposite direction

  5. no effect
    Ethoxy sulfuron and butachlor offered weed control comparable with hand weeding under the transplantation method.

    Weeding techniques in transplanted and direct wet‐seeded rice in Pakistan · 2005 · compared with hand weeding

    No difference from an alternative

  6. no effect
    Adding Almix to butachlor did not significantly decrease weed dry weight compared with butachlor alone.

    Evaluation of Alkombo and Tank Mixture of Almix+Butachlorfor the Control of Weeds in Transplanted Rice · 2003 · compared with alone application of butachlor at corresponding dose

    No difference from an alternative

  7. no effect
    Adding butachlor to pyrazolate caused the same weed control as pyrazolate alone.

    Studies on the Herbicidal Properties of Pyrazolate · 1983 · compared with pyrazolate alone

    No difference from an alternative

  8. positive
    Pyrazosulfuron-ethyl followed by orthosulfamuron and butachlor plus propanil gave the most effective and economic weed control.

    EFFICACY OF HERBICIDES IN NON-PUDDLED TRANSPLANTED RICE UNDER CONSERVATION AGRICULTURE SYSTEMS AND THEIR EFFECT ON ESTABLISHMENT OF THE SUCCEEDING CROPS · 2018

    Same direction

88 papers more in this group

See all 97 papers →

herbicide · weed · Oryza sativa (rice)Positive and negative results

603 papers: 579 positive, 24 negative or no effect

578 papers in the same direction as this claim · 17 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
    Hand weeding at 20, 40 and 60 DAS gave higher weed control efficiency.

    Yield Parameters and Yield of Aerobic Rice (Oryza sativa) as Influenced by Different Seeding Methods and Weed Control Measures · 2017 · compared with un-weeded check

    Same directionCites this paper

  2. positive
    Two hand weedings at 20 and 40 DAS significantly reduced monocot and dicot weed population compared with control

    Effect of cultural and chemical weed management on weed population and economics in drilled paddy (Oryza sativa L.) · 2020 · compared with control

    Same directionCites this paper

  3. negative
    Rice flatsedge control by herbicides was lower with residue than without.

    Interaction of Rice Residue and PRE Herbicides on Emergence and Biomass of Four Weed Species · 2012 · compared with absence of residue

    Opposite direction

  4. no effect
    Imazosulfuron applied alone as preemergence did not control grassy weeds, broad leaved weeds or sedges in rice

    Effect of tank-mixed herbicides on weeds and transplanted rice (Oryza sativa L.) · 2012

    Opposite direction

  5. negative
    Oxyfluorfen failed to control other weeds beyond 15 days after sowing.

    Stale Seedbed Technique for the Management of Sacciolepis interrupta in Semi-dry Rice · 2000

    Opposite direction

  6. negative
    Weed nutrient uptake was highest with hand weeding at 20 and 40 days.

    Effect of irrigation and weed management practices on Nutrient uptake and Economics of production of Aerobic rice · 2013

    Opposite direction

  7. negative
    Unweeded plots (UW) had the highest weed density among weed management modes.

    Effects of Water and Weed Management on the Weed Density, Grain Yield, and Water Productivity of Wet-seeded Rice · 2020 · compared with UW

    Opposite direction

  8. no effect
    Blackgram herbicides did not influence weed flora and growth of subsequent rice.

    Effect of Herbicides on Weed Growth and Crop Performance in Rice-blackgram Cropping System · 2000

    Opposite direction

594 papers more in this group

See all 603 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.