Intervention effectmodel-written summary

Tillers were greatest at 50 kg/ha seed rate and 30 cm row spacing.

A claim from Influence of crop density on weeds, growth and yield of direct-seeded rice · 2014

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Tillers were greatest at 50 kg/ha seed rate and 30 cm row spacing.

Treatment
seed rate of 50 kg/ha with wider row spacing of 30 cme0
Outcome
number of tillerse0
Direction
Maximume0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond 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

“Maximum number of tillers was recorded when rice was sown with seed rate of 50 kg/ha with wider row spacing of 30 cm”

✓ located verbatim in the source · abstract, characters 714–830

Title

Influence of crop density on weeds, growth and yield of direct-seeded rice

Simerjeet Kaur; Surjit Singh Indian Journal of Weed Science 2014

Other claims from this paper (5)

Record rev-3f35ff45787aeee9e52b10234b6f61ac19dc46f7b3793a42f91cf496de1c85ca · schema claims-v0.9 · position 5 in the model’s answer

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

395 papers: 330 positive, 65 negative or no effect

329 papers in the same direction as this claim · 58 in the opposite direction · 7 reporting no difference from an alternative

  1. negative
    Seed rates above the 15-30 kg/ha optimum reduced rice yield.

    Optimizing Seed Rate to Suppress Weeds and to Increase Yield in Aerobic Direct-seeded Rice in Northwestern Indo-Gangetic Plains · 2010

    Opposite directionCited by this paper

  2. no effect
    Seed rate and row spacing did not significantly influence grain yield.

    Effect of Seed Rate, Spacing and Herbicide Use on Weed Management in Direct Seeded Upland Rice (Oryza sativa L.) · 2008

    Opposite directionCited by this paper

  3. positive
    A 100 kg/ha seed rate significantly increased grain yield relative to 50 kg/ha in both years.

    Effect of seed rates, irrigation intervals and weed pressure on productivity of direct-seeded rice (Oryza sativa) · 2006 · compared with seed rate of 50 kg/ha

    Same directionCited by this paper

  4. no effect
    Increasing seeding density did not significantly increase grain yield.

    Effects of Salinity on Grain Yield and Yield Components of Rice at Different Seeding Densities · 2000

    Opposite direction

  5. no effect
    Harvest dry mass did not differ significantly among planting densities.

    Contribution of Rice Tillers to Dry Matter Accumulation and Yield · 1998 · compared with 56, 112, and 169 plants m −2 treatments

    Opposite direction

  6. no effect
    Wider spacing under SRI did not produce higher rice yield.

    The effects of repeated soil wetting and drying on lowland rice yield with system of Rice Intensification (SRI) methods · 2006

    Opposite direction

  7. no effect
    Seeding rates did not affect rice aboveground biomass, panicle density, or harvest index.

    Rice Yield Components as Affected by Cultivar and Seeding Rate · 2005

    Opposite direction

  8. no effect
    Planting density did not change sink size or gross hulled rice yield.

    Effects of Nitrogen Application and Planting Density on Morphological Traits, Dry Matter Production and Yield of Large Grain Type Rice Variety Bekoaoba and Strategies for Super High-Yielding Rice in the Tohoku Region of Japan · 2011

    Opposite direction

386 papers more in this group

See all 395 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.