Intervention effectmodel-written summary

Mechanized SRI planting and weeding raised productivity to 4.24 tonnes/ha.

A claim from Effect of mechanical planting and weeding on yield, water-use efficiency and cost of production under modified system of rice intensification · 2012

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mechanized SRI planting and weeding raised productivity to 4.24 tonnes/ha.

Treatment
Mechanized planting and weeding of SRIe0
Outcome
productivitye0
Direction
enhancede0
Value
4.24 tonnes/hae0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

“Mechanized planting and weeding of SRI enhanced its productivity to 4.24 tonnes/ha”

✓ located verbatim in the source · abstract, characters 457–539
t0

“rice”

✓ located verbatim in the source · title, characters 121–125

Title

Effect of mechanical planting and weeding on yield, water-use efficiency and cost of production under modified system of rice intensification

P C MOHAPATRA; M DIN; B C PARIDA; et al. The Indian Journal of Agricultural Sciences 2012. doi:10.56093/ijas.v82i3.15979

Other claims from this paper (13)

Record rev-95cdbb51910f2dcac1de7c07c4d58e42047a75950e7ec113f6c45f817ac2b10b · schema claims-v0.9 · position 3 in the model’s answer

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

802 papers: 725 positive, 77 negative or no effect

724 papers in the same direction as this claim · 57 in the opposite direction · 20 reporting no difference from an alternative

  1. positive
    Four cono weedings (10, 20, 30 and 40 DAT) gave better rice yields than two cono weedings.

    Mechanized weed management to enhance productivity in System of Rice Intensification (SRI) · 2016 · compared with two times cono weeding

    Same directionCites this paper

  2. positive
    Pretilachlor followed by hand weeding produced more panicle weight, panicle length and grains per panicle.

    Bio-efficacy of pre and post-emergence herbicides for control of complex weed flora in transplanted rice (Oryza sativa L.) · 2020

    Same directionCites this paper

  3. no effect
    Weeding every 14 days did not increase rice grain yield.

    Weeds in slash‐and‐burn rice fields in northern Laos · 1997

    Opposite direction

  4. negative
    The non-allelopathic variety showed a grain yield reduction of up to 45-60% even with the low-dose herbicide application.

    Effect of allelopathic rice varieties combined with cultural management options on paddy field weeds · 2008

    Opposite direction

  5. negative
    Herbicide carryover reduced IRGA 417 grain yield by up to 55% when drilled 371 days after application.

    Carryover of Imazethapyr and Imazapic to Nontolerant Rice · 2010

    Opposite direction

  6. negative
    Late postemergence application at 7.9 and 4 g/ha reduced rice yield by 39 and 16%.

    Corn and Rice Response to Simulated Drift of Imazethapyr Plus Imazapyr · 2006

    Opposite direction

  7. negative
    Each day of delay in weeding created an average yield loss of 5.3 g m-2.

    Yields and Yield Gaps in Lowland Rice Systems and Options to Improve Smallholder Production · 2022

    Opposite direction

  8. negative
    PRE clomazone caused lower grain yield than DPRE.

    Response of Rice and Barnyardgrass (Echinochloa crus-galli) to Rates and Timings of Clomazone · 2005 · compared with DPRE timings

    Opposite direction

793 papers more in this group

See all 802 papers →

irrigation · yield · Oryza sativa (rice)Positive and negative results

1,171 papers: 906 positive, 265 negative or no effect

905 papers in the same direction as this claim · 201 in the opposite direction · 64 reporting no difference from an alternative

  1. positive
    SRI increased grain yield over conventional and mechanized transplanting in kharif and rabi.

    Influence of establishment methods, irrigation water levels and weed- management practices on growth and yield of rice (Oryza sativa) · 2001 · compared with conventional and mechanized transplanting

    Same directionCites this paper

  2. positive
    The SRI method gave significantly higher rice grain yield (6.22 t/ha) than standard transplanting (5.60 t/ha).

    Mechanized weed management to enhance productivity in System of Rice Intensification (SRI) · 2016 · compared with standard practice of transplanting

    Same directionCites this paper

  3. negative
    Overall alternate wetting and drying decreased rice yields by 5.4%.

    Rice yields and water use under alternate wetting and drying irrigation: A meta-analysis · 2017

    Opposite direction

  4. negative
    Rondo grain yield declined in the order continuous flooding, saturated, aerobic.

    Soil Texture and Cultivar Effects on Rice (Oryza sativa, L.) Grain Yield, Yield Components and Water Productivity in Three Water Regimes · 2016

    Opposite direction

  5. negative
    The authors found fertilizer and irrigation investment had limited effects on rice production.

    Moving toward rice self-sufficiency in sub-Saharan Africa by 2030: Lessons learned from 10 years of the Coalition for African Rice Development · 2021

    Opposite direction

  6. no effect
    AWD caused no significant rice yield loss versus CF.

    Mitigating greenhouse gas emissions from irrigated rice cultivation through improved fertilizer and water management · 2022 · compared with CF condition

    Opposite direction

  7. negative
    Irrigation treatments increased spikelet sterility by 16.6%.

    Role of Panicle Exsertion in Water Stress Induced Sterility1 · 1983

    Opposite direction

  8. negative
    DI reduced rice grain yield by 31.76-52.19% against CF.

    Rice Performance and Water Use Efficiency under Plastic Mulching with Drip Irrigation · 2013 · compared with CF treatment

    Opposite direction

1,162 papers more in this group

See all 1,171 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.