Intervention effectmodel-written summary

Nitrate nitrogen with Mn significantly increased thousand-grain weight of both varieties.

A claim from Effects of applying different forms of nitrogen on wheat yield and Mn accumulation. · 2012

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Nitrate nitrogen with Mn significantly increased thousand-grain weight of both varieties.

Treatment
combined application of nitrate nitrogen and Mne0
Outcome
1000-grain weighte0
Direction
increasee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“combined application of nitrate nitrogen and Mn could significantly increase the 1000-grain weight of Aikang 58 and Zhengmai 366”

✓ located verbatim in the source · abstract, characters 329–457
t0

“wheat”

✓ located verbatim in the source · title, characters 51–56
e1

“combined application of ammonium nitrogen and Mn could increase the yield and its components of Aikang 58”

✓ located verbatim in the source · abstract, characters 146–251

Title

Effects of applying different forms of nitrogen on wheat yield and Mn accumulation.

Mengmeng Liu; Yilun Wang; Yanlai Han; et al. Guangdong nongye kexue 2012

Other claims from this paper (5)

Record rev-e5b21b9e3c294e92e89ba6d63d8298ee2d3a6de0d68b2c144f8d46f9cbb64846 · schema claims-v0.9 · position 3 in the model’s answer

manganese atom · yield · Triticum aestivum (wheat)Results differ

65 papers: 61 positive, 4 negative or no effect

60 papers in the same direction as this claim · 4 in the opposite direction

  1. no effect
    Applications of multiple nutrients did not significantly increase wheat yield.

    Evidence for the involvement of the root lesion nematode Pratylenchus thornei in wheat yield decline in northern New South Wales · 1987

    Opposite direction

  2. no effect
    Micronutrients (Zn, Cu, Fe and Mn) had no significant effect on wheat yield.

    Maximizing wheat yield through integrated use of farmyard manure and fertilizers · 2016

    Opposite direction

  3. no effect
    Neither nitrogen nor manganese fertilisation changed the wheat grain yield.

    Mycotoxin Level in Winter Wheat Grain as Impacted by Nitrogen and Manganese Fertilisation · 2023

    Opposite direction

  4. no effect
    Additional manganese did not change wheat yield or iron or manganese uptake.

    Response to iron and manganese application as affected by their availability in a Typic Natraqualf · 1994

    Opposite direction

  5. positive
    Under greenhouse drought, manganese spray increased grain yield by 10%.

    Alleviation of drought stress in winter wheat by late foliar application of zinc, boron, and manganese · 2012

    Same direction

  6. positive
    The greatest grain number per spike followed 80 kg ZnSO4 ha−1 plus foliar Mn.

    Response of Wheat Plants to Zinc, Iron, and Manganese Applications and Uptake and Concentration of Zinc, Iron, and Manganese in Wheat Grains · 2009

    Same direction

  7. positive
    Manganese deficiency reduced tiller number in wheat compared with adequate Mn supply.

    Manganese Deficiency and Toxicity Effects on Growth, Development, and Nutrient Composition in Wheat1 · 1984 · compared with plants supplied at adequate Mn levels

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

  8. positive
    Foliar Fe+Mn application had the highest positive effect on yield components and grain yield of wheat.

    Effect of different microelement treatment on wheat ( triticum aestivum ) growth and yield · 2012

    Same direction

56 papers more in this group

See all 65 papers →

nitrogen · yield · Triticum aestivum (wheat)Positive and negative results

2,061 papers: 1,737 positive, 324 negative or no effect

1,736 papers in the same direction as this claim · 285 in the opposite direction · 39 reporting no difference from an alternative

  1. negative
    The lowest N rates reduced grain number per square metre at any given photothermal quotient.

    The effects of radiation and nitrogen on number of grains in wheat · 1995

    Opposite direction

  2. negative
    Severe drought with low nitrogen reduced grain yields.

    Nitrogen Nutrition Improves the Potential of Wheat (Triticum aestivum L.) to Alleviate the Effects of Drought Stress during Vegetative Growth Periods · 2016

    Opposite direction

  3. negative
    Low nitrogen reduced grain yield to 4.3 t/ha.

    The Effects of Prolonged Drought and Nitrogen Fertilizer on Root and Shoot Growth and Water Uptake by Winter Wheat · 1989 · compared with both N and water

    Opposite direction

  4. negative
    Terminal spikelet production was delayed by about 2 d at these N treatments in Aroona.

    Leaf Emergence, Tiller Growth, and Apical Development of Nitrogen‐Dificient Spring Wheat · 1993

    Opposite direction

  5. no effect
    Nitrogen level, N timing and seeding rate had no significant effect on spring wheat grain yield across environments.

    Seeding Rate and Nitrogen Management Effects on Spring Wheat Yield and Yield Components · 2007

    Opposite direction

  6. no effect
    ear weight changed with two nitrogen treatments.

    Effect of source‐sink relations and nitrogen nutrition on senescence and N remobilization in the flag leaf of wheat · 1991

    Opposite direction

  7. negative
    In some environments, higher nitrogen rates lowered wheat yield.

    Graphic Analysis of Genotype, Environment, Nitrogen Fertilizer, and Their Interactions on Spring Wheat Yield · 2004

    Opposite direction

  8. no effect
    Nitrogen timing did not significantly affect grain yield.

    Hard Red Spring Wheat Response to Row Spacing, Seeding Rate, and Nitrogen · 2008

    Opposite direction

2,052 papers more in this group

See all 2,061 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.