Intervention effectmodel-written summary

Amsoy seed yield under simulated rain of pH 4.1 was 3.0% below that under pH 5.6 in summer 1982.

A claim from EFFECTS OF SIMULATED ACTDIC RAIN ON YIELDS OF FIELD‐GROWN SOYBEANS · 1984

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Amsoy seed yield under simulated rain of pH 4.1 was 3.0% below that under pH 5.6 in summer 1982.

Taxon
soybeansGlycine maxe0
Material
cv. Amsoye1
Treatment
simulated rain of pH 4.1e1
Outcome
Seed yieldse1
Direction
belowe1
Value
3.0e1
Comparator
simulated rain of pH 5.6e1
Setting
summer of 1982e0

Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“An experiment was performed during the summer of 1982 to determine the effects of simulated acidic rain on seed yields on two commercial cultivars of soybeans”

✓ located verbatim in the source · abstract, characters 9–167
e1

“Seed yields of cv. Amsoy exposed twice weekly to simulated rain of pH 4.1, 3.3 and 2.7 were, respectively, 3.0, 9.0, and 12.8% below yields of plants exposed to simulated rain of pH 5.6”

✓ located verbatim in the source · abstract, characters 423–608

Title

EFFECTS OF SIMULATED ACTDIC RAIN ON YIELDS OF FIELD‐GROWN SOYBEANS

L. S. EVANS; K. F. LEWIN; M. J. PATTI New Phytologist 1984. doi:10.1111/j.1469-8137.1984.tb03557.x

Other claims from this paper (9)

Record rev-f6d9c130f99311b9d77b44dfa99748858970ecebac75af6cdb65c7aa186254ee · schema claims-v0.9 · position 1 in the model’s answer

rainfall · yield · Glycine max (soybean)Results differ

38 papers: 14 positive, 24 negative or no effect

23 papers in the same direction as this claim · 14 in the opposite direction

  1. negative
    Seed yield decreased 2·6% under the first acid-rain level.

    SEED YIELDS (QUANTITY AND QUALITY) OF FIELD‐GROWN SOYBEANS EXPOSED TO SIMULATED ACIDIC RAIN · 1981 · compared with Control plots

    Same directionCited by this paper

  2. negative
    Under shielded conditions, pH 4.1 rain reduced seed yield by 10.7% relative to pH 5.6.

    PRODUCTIVITY OF FIELD‐GROWN SOYBEANS EXPOSED TO SIMULATED ACIDIC RAIN · 1983 · compared with simulated rain of pH 5.6

    Same directionCited by this paper

  3. negative
    Twice weekly rain at pH 41 gave Amsoy yield 0% below pH 5.6.

    EFFECTS OF FREQUENCY AND DURATION OF SIMULATED ACIDIC RAINFALLS ON SOYBEAN YIELDS · 1985 · compared with simulated rain of pH 5.6

    Same directionCites this paper

  4. no effect
    Rain pH did not affect seed yield, shoot dry weight or N accumulation in soybean

    Physiological response of two soybean cultivars to simulated acid rain · 1991

    Same directionCites this paper

  5. positive
    A modest increase in total summer precipitation of 50 mm could boost corn and soybean yields by 5–10%.

    Impacts of recent climate change on Wisconsin corn and soybean yield trends · 2008

    Opposite direction

  6. positive
    Incremental warming, especially combined with an increase in precipitation, leads to higher soybean yield in simulations.

    Potential impact of climate change on selected agricultural crops in north‐eastern Austria · 2002

    Opposite direction

  7. positive
    Simulated acid precipitation increased soybean seed size by 4% in 1978.

    Productivity of Field‐Grown Soybeans Exposed to Acid Rain and Sulfur Dioxide Alone and in Combination · 1981

    Opposite direction

  8. positive
    Lowering temperature by 1oC and increasing rainfall by more than 10% benefited soybean productivity.

    Climate change impacts vis-a-vis productivity of soybean in vertisol of Madhya Pradesh · 2017 · compared with base

    Opposite direction

29 papers more in this group

See all 38 papers →

ph · yield · Glycine max (soybean)Positive and negative results

26 papers: 13 positive, 13 negative or no effect

12 papers in the same direction as this claim · 13 in the opposite direction

  1. positive
    Uniform improvement to pH 5.2 was calculated to increase US soybean production by almost 70 million bushels.

    An Analysis of Damage to U.S. Soybean Yields from 1982 Acid Deposition Levels · 1987

    Opposite directionCites this paper

  2. negative
    Under shielded conditions, pH 4.1 rain reduced seed yield by 10.7% relative to pH 5.6.

    PRODUCTIVITY OF FIELD‐GROWN SOYBEANS EXPOSED TO SIMULATED ACIDIC RAIN · 1983 · compared with simulated rain of pH 5.6

    Same directionCited by this paper

  3. negative
    Twice weekly rain at pH 41 gave Amsoy yield 0% below pH 5.6.

    EFFECTS OF FREQUENCY AND DURATION OF SIMULATED ACIDIC RAINFALLS ON SOYBEAN YIELDS · 1985 · compared with simulated rain of pH 5.6

    Same directionCites this paper

  4. no effect
    Rain pH did not affect seed yield, shoot dry weight or N accumulation in soybean

    Physiological response of two soybean cultivars to simulated acid rain · 1991

    Same directionCites this paper

  5. positive
    Both acidity-correcting materials increased all yield components and grain yield in soybean compared with no soil correction.

    Effects of surface application of dolomitic limestone and calcium-magnesium silicate on soybean and maize in rotation with green manure in a tropical region · 2015 · compared with no soil correction

    Opposite direction

  6. positive
    Liming the soil to pH 5.8 increased the yield of the sensitive cultivar Chief by 40% relative to unlimed soil.

    Soybean Germplasm and Cultivar Aluminum Tolerance in Nutrient Solution and Bladen Clay Loam Soil1 · 1982 · compared with unlimed soil

    Opposite direction

  7. positive
    Essex and Forrest had more grain with acidic rain than control rain.

    Sensitivity of Twenty Soybean Cultivars to Simulated Acid Rain · 1990 · compared with the control treatment

    Opposite direction

  8. positive
    Liming to pH 5.5 or above increased soybean yields.

    Response of field‐grown soybeans to lime · 1978

    Opposite direction

17 papers more in this group

See all 26 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.