Intervention effectmodel-written summary

Rock phosphate produced less dry matter than superphosphate across P levels and soil types.

A claim from Yield and Nutrient Uptake of Rapeseed (Brassica campestris var. toria) as Influenced by Phosphorus Sources and Levels in Acidic Soils of Meghalaya · 2021

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Rock phosphate produced less dry matter than superphosphate across P levels and soil types.

Taxon
Rapeseedt0
Treatment
Mussorie rock phosphatee0
Outcome
dry matter yielde0
Direction
lowere0
Qualifier
at each levels of P irrespective of soil typee0
Comparator
single sulphur phosphate (SSP)e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValue

Verbatim

e0

“The dry matter yield with Mussorie rock phosphate was lower as compared to single sulphur phosphate (SSP) at each levels of P irrespective of soil type.”

✓ located verbatim in the source · abstract, characters 951–1103
t0

“Rapeseed”

✓ located verbatim in the source · title, characters 29–37

Title

Yield and Nutrient Uptake of Rapeseed (Brassica campestris var. toria) as Influenced by Phosphorus Sources and Levels in Acidic Soils of Meghalaya

Alok Maurya; Sanjay-Swami . Agricultural Science Digest - A Research Journal 2021. doi:10.18805/ag.d-5420

Other claims from this paper (4)

Record rev-e143e6d0a9359da7e3dc58c7cec197fdf56a2947eca36d53e40b42425db09ab9 · schema claims-v0.9 · position 3 in the model’s answer

phosphorus · yield · Brassica napus (oilseed rape)Results differ

76 papers: 69 positive, 7 negative or no effect

6 papers in the same direction as this claim · 69 in the opposite direction

  1. positive
    Combined 100 kg/ha nitrogen and 75 kg/ha phosphorus had the greatest effect on qualitative and quantitative yield.

    Nitrogen and Phosphorus Addition to Soil Improves Seed Yield, Foliar Stomatal Conductance, and the Photosynthetic Response of Rapeseed (Brassica napus L.) · 2021

    Opposite direction

  2. positive
    Significant grain yield responses to applied N and P occurred for canola at all sites.

    Comparing the nitrogen and phosphorus requirements of canola and wheat for grain yield and quality · 2009

    Opposite direction

  3. positive
    Phosphorus deficiency decreased seed yield.

    QTL for Yield Traits and Their Association with Functional Genes in Response to Phosphorus Deficiency in Brassica napus · 2013

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  4. positive
    Nitrogen and phosphorus fertilizers gave a larger yield increase in rape than in wheat or flax.

    Phosphorus and Nitrogen Utilization by Rape, Flax, and Wheat1 · 1965 · compared with wheat or flax

    Opposite direction

  5. positive
    Applied phosphorus significantly increased canola grain yield in both field experiments.

    Effect of fertiliser phosphorus and nitrogen on the concentrations of oil and protein in grain and the grain yield of canola (Brassica napus L.) grown in south-western Australia · 2007

    Opposite direction

  6. positive
    Phosphorus application increased canola seed yield.

    Crop response to current and previous season applications of phosphorus as affected by crop sequence and tillage · 2009

    Opposite direction

  7. positive
    High phosphorus increased shoot and root dry matter at zinc rates from 0 through 1 mg per kg soil.

    Dry matter production and uptake of zinc and phosphorus in two oilseed rape genotypes under differential rates of zinc and phosphorus supply · 1998 · compared with low P supply

    Opposite direction

  8. positive
    Phosphorus deficiency reduced average seed yield by 38.3%.

    Nutrient deficiency limits population development, yield formation, and nutrient uptake of direct sown winter oilseed rape · 2015

    Opposite directionAbout lacking this nutrient, so it counts the other way round

67 papers more in this group

See all 76 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.