Intervention effectmodel-written summary

K supply increased root length and density.

A claim from Potassium Improves Drought Stress Tolerance in Plants by Affecting Root Morphology, Root Exudates, and Microbial Diversity · 2021

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

K supply increased root length and density.

Taxon
rapeseede1
Treatment
K supplye0
Outcome
root length and densitye0
Direction
increasede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Verbatim

e0

“K supply increased the root length and density”

✓ located verbatim in the source · abstract, characters 687–733
e1

“two rapeseed cultivars”

✓ located verbatim in the source · abstract, characters 456–478

Title

Potassium Improves Drought Stress Tolerance in Plants by Affecting Root Morphology, Root Exudates, and Microbial Diversity

Qiwen Xu; Hao Fu; Bo Zhu; et al. Metabolites 2021. doi:10.3390/metabo11030131

Other claims from this paper (7)

Record rev-4bb369cf7caecda36b1514bed8b2ee675a5c2eacf326b3d027c9e1f01491184f · schema claims-v0.9 · position 1 in the model’s answer

potassium · growth · Brassica napus (oilseed rape)Positive and negative results

13 papers: 12 positive, 1 negative or no effect

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

  1. negative
    Potassium applied after ammonium at a 1:1 NH4+/K+ mol ratio greatly reduced rape growth and nutrient uptake.

    Effect of Application Sequence and Ratio of Ammonium and Potassium on Rape Growth and Nutrient Uptake · 2008

    Opposite direction

  2. positive
    Potassium deficiency significantly decreased normalized difference vegetation indices (NDVI) in canola.

    Unmanned aerial vehicle canopy reflectance data detects potassium deficiency and green peach aphid susceptibility in canola · 2016

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

  3. positive
    Synergistic effects of N and K promoted plant growth in winter oilseed rape.

    Imbalance between nitrogen and potassium fertilization influences potassium deficiency symptoms in winter oilseed rape (Brassica napus L.) leaves · 2021

    Same direction

  4. positive
    The combination of nitrogen with phosphorus,potassium and boron fertilizers could obviously improve the shoot biomass and nitrogen,phosphorus and potassium uptake,and thus increase the grain yield of winter rapeseed significantly

    Study on Yield Increasing and Nutrient Uptake Effect by Nitrogen Application and Nitrogen Use Efficiency for Winter Rapeseed · 2011

    Same direction

  5. positive
    When the total weight of N, P and K in the seed coating was 0.01% to 0.03%, rape seed germination was markedly improved.

    Research on the Effect of Rape Seed Germination Based on Environment Friendly Seed Coating Mixing Different Potassium Fertilizers · 2012

    Same direction

  6. positive
    Combined fertilizers increased seedling root and shoot biomass by 33.5%-34.4%.

    Effect of different fertilize treatment on yield and economic effectiveness of spring oilseed rape grown in Eastern Qinghai Province. · 2010

    Same direction

  7. positive
    Potassium increased aboveground dry matter weight, stem thickness and leaf area.

    Effect of Potassium and Moisture on Rape Growth and Its Nutrient Uptake · 1996

    Same direction

  8. positive
    At the stated optimum rate, rapeseed biomass was 70.6% relative to no potassium treatment.

    Effect of citrate acid-soluble potassium fertilizer application rate on rapeseed growth and soil potassium content · 2013 · compared with treatment of no potassium

    Same direction

4 papers more in this group

See all 13 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.