Intervention effectmodel-written summary

Puddled transplanting decreased weed density and biomass.

A claim from Organic weed management in wet-seeded and transplanted aromatic rice · 2021

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Puddled transplanting decreased weed density and biomass.

Treatment
puddled transplanting methode0
Interactor
weede0weed
Outcome
weed density and biomasse0
Direction
decreasede0
Comparator
direct wet-seeding methode0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleSettingValueQualifier

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 puddled transplanting method of rice establishment resulted significantly higher rice grain yield (1.82 t/ha), decreased weed density and biomass compared to the direct wet-seeding method”

✓ located verbatim in the source · abstract, characters 858–1049

Title

Organic weed management in wet-seeded and transplanted aromatic rice

Yerradoddi Sindhu Sree; Anjan K. Sarmah; I.C. Barua Indian Journal of Weed Science 2021. doi:10.5958/0974-8164.2021.00078.2

Other claims from this paper (5)

Record rev-e523d1e766e066a42f35bf99d565e7f818a4bb1d9b34ccd0145f6719cead24d1 · schema claims-v0.9 · position 2 in the model’s answer

tillage · weed · Oryza sativa (rice)Results differ

86 papers: 71 positive, 15 negative or no effect

70 papers in the same direction as this claim · 13 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
    Conventional tillage with residue incorporation had higher total weed density than no till with residue retention.

    Conservation tillage and mulching effects on the adaptive capacity of direct-seeded upland rice (Oryza sativaL.) to alleviate weed and moisture stresses in the North Eastern Himalayan Region of India · 2018 · compared with NT-RR

    Opposite direction

  2. no effect
    Tillage systems showed no differences in weed control or listed rice production traits.

    Effect of Cultural Practices on Weed Control and Crop Response in Imidazolinone-Tolerant Rice · 2006

    Opposite direction

  3. no effect
    Ploughing intensity and the type of implement used for land preparation were not significant factors for weed control.

    DETERMINANTS OF IMPROVING PRODUCTIVITY OF DRY-SEEDED RICE IN RAINFED LOWLANDS · 1999

    Opposite direction

  4. no effect
    Tillage intensity did not affect the weed stand.

    Chemical and cultural control of bulrush (Scirpus maritimus L.) and annual weeds in lowland rice (Oryza sativa L.) · 1986

    Opposite direction

  5. negative
    Strip planting, bed planting and no-tillage yielded relatively more perennial weeds than conventional tillage.

    Continuous Practice of Conservation Agriculture for 3–5 Years in Intensive Rice-Based Cropping Patterns Reduces Soil Weed Seedbank · 2021 · compared with CT

    Opposite direction

  6. no effect
    Tillage did not influence weed density or dry weight.

    Weed dynamics and productivity of dry direct seeded rice in relation to tillage and weed management practices · 2020

    Opposite direction

  7. negative
    The weedy check removed significantly the highest amount of nitrogen through weeds (12.97 kg/ha).

    Weed management in transplanted rice (Oryza sativa) under rainfed, lowland situation · 2001

    Opposite direction

  8. negative
    Under unweeded control, conventional tillage raised weed nitrogen removal by 37.29% relative to zero tillage.

    Weed removal and crop nutrient uptake as affected by tillage and herbicides in direct-seeded rice-yellow mustard cropping sequence · 2023 · compared with ZT

    Opposite direction

77 papers more in this group

See all 86 papers →

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

146 papers: 129 positive, 17 negative or no effect

128 papers in the same direction as this claim · 16 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Dry direct seeding had more weed infestation than continuous flooding and alternate wetting and drying.

    WATER SAVING, WATER PRODUCTIVITY AND YIELD OUTPUTS OF FINE-GRAIN RICE CULTIVARS UNDER CONVENTIONAL AND WATER-SAVING RICE PRODUCTION SYSTEMS · 2015 · compared with TRCF and TRAWD

    Opposite direction

  2. negative
    Weed population under dry broadcast seeding was five times that under transplanting.

    Evaluation of planting methods in irrigated rice · 2004 · compared with TPR

    Opposite direction

  3. negative
    Weed population at 30 days after sowing was significantly higher in direct seeded rice (24.3 per square metre) than in puddled transplanted rice (13.8).

    On-farm assessment of direct-seeded rice production system under central Punjab conditions · 2014 · compared with PTR

    Opposite direction

  4. negative
    Broadcast and drum seeding had more weeds and lower control efficiency than transplanting.

    Performance of weed management practices for different establishment methods of rice (Oryza sativa L.) in dry season. · 2010 · compared with transplanting method

    Opposite direction

  5. negative
    Weed dynamics were higher in direct seeded rice than in transplanted rice.

    Efficacy of crop establishment techniques and weed control measures on weed dynamics, weed control efficiency and productivity in rice (Oryza sativa) · 2017 · compared with transplanted rice (TPR)

    Opposite direction

  6. negative
    Weed biomass was significantly higher in direct seeded rice than under puddled condition.

    Effect of Tillage Systems and Moisture Regimes on Weed Growth and Productivity of Rice-Wheat Sequence in Inceptisols of Trans Indo-Gangetic Plains · 2005 · compared with puddled condition

    Opposite direction

  7. negative
    Early rice transplanting increased emergence of M. vaginalis compared with optimal or late transplanting.

    Effect of rice cultural practices on emergence of Echinochloa crus-galli and Monochoria vaginalis. · 1996 · compared with optimal or late transplanting

    Opposite direction

  8. negative
    Direct drilled rice had greater weed density and biomass at 30 DAS and maturity than puddled planting methods.

    Weed composition and seed bank as affected by different tillage and crop establishment techniques in rice-wheat system · 2013 · compared with other 3 sowing/planting methods of rice under puddled conditions

    Opposite direction

137 papers more in this group

See all 146 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.