Intervention effectmodel-written summary

A 60cm intra-row spacing significantly increased yield relative to 75cm and 90cm.

A claim from Effect of Spacing on Yield and Yield Components of Castor (Ricinus communis Linn) · 1977

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

A 60cm intra-row spacing significantly increased yield relative to 75cm and 90cm.

Treatment
intra row spacing of 60cme0
Outcome
yielde0
Direction
increasee0
Comparator
75cm and 90cme0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Ricinus communis
Ricinus communis · TaxonDvellakat · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Castor (Ricinus communis Linn)”

✓ located verbatim in the source · title, characters 51–81
e0

“The yield increase was significantly high in the intra row spacing of 60cm when compared to 75cm and 90cm.”

✓ located verbatim in the source · abstract, characters 158–264

Title

Effect of Spacing on Yield and Yield Components of Castor (Ricinus communis Linn)

SUNDARESAN N; PALANISAMY S; STEPHEN DORAIRAJ M; et al. Madras Agricultural Journal 1977. doi:10.29321/maj.10.a03240

Other claims from this paper (1)

Record rev-7466d478df2bd32133322eb21ebb229ed05c9f251b60b90c1adba09d66c4f94f · schema claims-v0.9 · position 1 in the model’s answer

density · yield · Ricinus communis (castor bean)Positive and negative results

20 papers: 18 positive, 2 negative or no effect

17 papers in the same direction as this claim · 2 in the opposite direction

  1. negative
    Increasing density reduced basal stem diameter, racemes per plant, and seeds per raceme.

    Optimizing row spacing and plant population arrangement for a new short-height castor genotype in fall-winter · 2014

    Opposite direction

  2. no effect
    Spacing treatments did not significantly change castor growth and yield attributes.

    Effects of Spacing and Nitrogen on Castor (GAC 11) Grown in Heavy Black Soil · 2025

    Opposite direction

  3. positive
    Zhebi 26 at a higher planting density of 36,000 seedlings/hm² achieved a higher yield than Zhebi 100 at 12,000 seedlings/hm².

    Morphological, Physiological and Proteomic Analyses Provide Insights into the Improvement of Castor Bean Productivity of a Dwarf Variety in Comparing with a High-Stalk Variety · 2016 · compared with Zhebi 100 (12,000 seedlings/hm²)

    Same direction

  4. positive
    Low plant population in nonirrigated tests increased the number of racemes per sequential set and the yield of all sets of racemes.

    Effects of Plant Population on Castorbean Yield1 · 1970

    Same direction

  5. positive
    At 98 cm spacing, maximum seed yield was 26.5 qlha.

    Evaluation of castor (Ricinus communis) genotypes for productivity, economics, litter fall and changes in soil properties under different levels of inter-row spacing and nitrogen · 2001

    Same direction

  6. positive
    Decreasing spacing increased seed yield per unit area through larger plant populations.

    Plant Density Differentially Influences Seed Weightin Different Portions of the Raceme of Castor · 2023

    Same direction

  7. positive
    Spacing of 120×120 cm gave higher dry matter production and leaf area index in hybrid castor.

    The effect of crop geometry on physiological characters to influence of seed and oil yield of hybrid castor · 2018 · compared with different crop geometry

    Same direction

  8. positive
    Castor yield was higher at 10 m x 3 m spacing.

    POTENTIAL AGROFORESTRY SYSTEMS FOR SEMIARID REGIONS · 2021

    Same direction

11 papers more in this group

See all 20 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.