Intervention effectmodel-written summary

Graded phosphorus, sulphur and boron significantly enhanced castor seed yield.

A claim from Yield of Castor by Fertilizing with Phosphorus, Sulphur and Boron · 1993

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Graded phosphorus, sulphur and boron significantly enhanced castor seed yield.

Treatment
graded levels of phosphorus P0, P1 and P2 and S1 and S2 levels and B0, B1 and B2 spraye0
Outcome
seede0
Direction
enhancemente0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

e0

“significant enhancement in seed as well as oil yield of castor to graded levels of phosphorus P0, P1 and P2 and S1 and S2 levels and B0, B1 and B2 spray”

✓ located verbatim in the source · abstract, characters 152–304

Title

Yield of Castor by Fertilizing with Phosphorus, Sulphur and Boron

K.G. Ananda Naik; G. R. Manure; M.K. Badiger Journal of the Indian Society of Soil Science 1993

Other claims from this paper (4)

Record rev-eac7e36f1920a768518ff2b37ddebd1d489ab5e0728aef6dda077fcc50eb0f49 · schema claims-v0.9 · position 1 in the model’s answer

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

9 papers: 8 positive, 1 negative or no effect

7 papers in the same direction as this claim · 1 in the opposite direction

  1. negative
    Phosphorus at 25 kg/ha yielded 50 kg/ha, among the lowest yields.

    EFFECTS OF NITROGEN AND PHOSPHORUS FERTILISER RATES ON THE GROWTH RATE AND YIELD OF CASTOR BEAN (Ricinuscommunis [L.]) IN THE WET MIDDLEVELD OF ESWATINI · 2019 · compared with control of phosphorus

    Opposite direction

  2. positive
    Yield responses were larger when S, Zn and B were applied along with N and P.

    Widespread Deficiencies of Sulfur, Boron, and Zinc in Indian Semi-Arid Tropical Soils: On-Farm Crop Responses · 2007

    Same direction

  3. positive
    Application of 40 kg P2O5/ha with PSB increased castor seed yield relative to control and to biophos alone.

    Comparative Efficiency of Bio-phos and Phosphate Solubilizing Bacteria on Castor Yield at Different Levels of Phosphorus Fertilizer under Rainfed Conditions · 2020 · compared with control and seed treatment with biophos alone

    Same direction

  4. positive
    The 80 kg N/ha, 30 kg P2O5, 30 kg K2O/ha treatment maximized net returns.

    Nutrient requirements of kharif castor, Ricinus communis L. under irrigated conditions of Uttar Pradesh · 2009

    Same direction

  5. positive
    The combined 240 kg N ha−1, 60 kg P2O5 ha−1, and 100% RDF schedule significantly increased castor yield relative to other schedules.

    Growth, yield and economics of rice fallow castor under different levels of N and P applied to precedingKharifrice and different fertilizer schedules given to succeeding castor crop · 2014 · compared with other levels of nitrogen phosphorus and fertilizer schedules

    Same direction

  6. positive
    Seed inoculation with phosphate-solubilizing bacteria significantly increased castor growth and yield attributes and yield.

    IRRIGATION AND INTEGRATED NUTRIENT MANAGEMENT IN CASTOR (RICINUS COMMUNIS L.) · 2014

    Same direction

  7. positive
    Appropriate N and P promoted growth and grain yield.

    Effect of Fertilizing N and P on the Growth and Yield of Castor in the Coastal Area of North Jiangsu Province · 2011

    Same direction

  8. positive
    Adding 60 kg N and 15 kg P2O5 per ha gave higher seed yield in rainfed castor.

    STUDIES ON NITROGEN AND PHOSPHORUS REQUIREMENT OF RAINFED CASTOR · 1987

    Same direction

See all 9 papers →

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

17 papers: 16 positive, 1 negative or no effect

15 papers in the same direction as this claim · 1 in the opposite direction

  1. negative
    The 1.0% KI spray caused 16% seed yield reduction in primary order spikes.

    Standardization of procedure for assessing terminal drought stress tolerance induced by foliar spraying of potassium iodide and identification of promising castor germplasm using the developed procedure · 2019

    Opposite direction

  2. positive
    The foliar Trichoderma applications enhanced castor yield compared with untreated control.

    Liquid Formulation of Trichoderma Species for Management of Gray Mold in Castor (Ricinus communis L.) and Alternaria Leaf Blight in Sunflower (Helianthus annuus L.) · 2015 · compared with untreated control

    Same direction

  3. positive
    MC at 100 to 200 g a.i. ha −1 increased filled fruits per raceme by 24.0–38.8%.

    Mepiquat Chloride Effects on Castor Growth and Yield: Spraying Time, Rate, and Management · 2018

    Same direction

  4. positive
    The highest yield components of castor bean were achieved with foliar application of humic acid (recommended rate) and Zn-nano fertilizer under normal irrigation in the second year.

    Castor bean (Ricinus communis L.) responses to drought stress and foliar application of Zn-nano fertilizer and humic acid: grain yield, oil content, antioxidant activity, and photosynthetic pigments · 2021

    Same direction

  5. positive
    Seed yield of castor improved by 44% with RDF + 20 kg ZnSO4/ha plus foliar 2% WSCF at 40 DAS over soil application of RDF and 125% RDF.

    Optimizing crop nutrition in rainfed castor cultivation for higher productivity, energy efficiency, and reduced carbon footprint · 2024 · compared with soil application of RDF and 125 % RDF

    Same direction

  6. positive
    Application of 75% RDF NPK plus ZnSO4 maximized primary spike length, spike number and capsules per spike compared with other inorganic nutrients.

    Influence of Integrated Nutrient Management Practices on Yield Attributes, Seed Yield, Oil Yield and Nutrient Uptake of Castor under Irrigated Conditions · 2009 · compared with other inorganic nutrients

    Same direction

  7. positive
    Foliar application of zinc nano-chelate increased grain number of castor by 14.4%.

    Responses of Castor (Ricinus communis l.) to Foliar Application of Zinc Nano-Chelate and Humic Acid under Limited Irrigation · 2019

    Same direction

  8. positive
    Twice-applied foliar ZnSO4 gave higher seed yield than other treatments.

    Response of Rainfed Castor to Soil and Foliar Application of Zinc and Iron Micronutrients · 2021 · compared with rest of the treatments

    Same direction

8 papers more in this group

See all 17 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.