Intervention effectmodel-written summary

All broadcast nitrapyrin applications did not consistently increase N percentage or yield of sweet corn.

A claim from Effect of Broadcast vs. Banded Applications of Nitrapyrin on Yield and Nitrogen Concentration in Field-grown Sweet Corn · 1983

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

All broadcast nitrapyrin applications did not consistently increase N percentage or yield of sweet corn.

Taxon
Sweet Cornt0
Treatment
all broadcast applications of nitrapyrine0
Outcome
N percentage or yielde0
Direction
did not increasee0
Qualifier
consistentlye0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue

Verbatim

t0

“Sweet Corn”

✓ located verbatim in the source · title, characters 109–119
e0

“Lower (41 g/ha) concentration of banded nitrapyrin and all broadcast applications of nitrapyrin did not increase N percentage or yield consistently”

✓ located verbatim in the source · abstract, characters 177–324

Title

Effect of Broadcast vs. Banded Applications of Nitrapyrin on Yield and Nitrogen Concentration in Field-grown Sweet Corn

H. A. Mills; W. S. McElhannon HortScience 1983. doi:10.21273/hortsci.18.5.740

Other claims from this paper (3)

Record rev-e16f72c5b55969d3b2d47d2baa12d57417a253a53dfffb7a0a2cf2d9a0e46be3 · schema claims-v0.9 · position 4 in the model’s answer

nitrapyrin · yield · Zea mays (maize)Results differ

43 papers: 34 positive, 9 negative or no effect

9 papers in the same direction as this claim · 33 in the opposite direction

  1. positive
    Nitrapyrin increased yield of high N-responsive hybrids at all nitrogen levels.

    Interrelationship of nitrogen nutrition with maize (Zea mays) grain yield, nitrogen use efficiency and grain quality · 1992

    Opposite direction

  2. positive
    Overall yield-scaled N2O–N emissions were 22% lower with nitrapyrin than without the inhibitor

    Nitrous oxide emissions in Midwest US maize production vary widely with band-injected N fertilizer rates, timing and nitrapyrin presence · 2013 · compared with without the inhibitor

    Opposite direction

  3. positive
    Meta-analysis found nitrapyrin improved maize grain yield.

    Nitrapyrin Impacts on Maize Yield and Nitrogen Use Efficiency with Spring‐Applied Nitrogen: Field Studies vs. Meta‐Analysis Comparison · 2013

    Opposite direction

  4. positive
    Uniform nitrapyrin increased yield in a wet year.

    Approaches to Management Zone Definition for Use of Nitrification Inhibitors · 2003

    Opposite direction

  5. positive
    Nitrapyrin increased corn yields by up to 207%, averaging 68%.

    Stalk Rot Incidence and Yield of Corn as Affected by Inhibiting Nitrification of Fall‐applied Ammonium1 · 1975 · compared with anhydrous ammonia without the nitrification inhibitor

    Opposite direction

  6. positive
    At a wet site, nitrapyrin increased corn grain yield for October manure application.

    Corn Production as Affected by Time and Rate of Manure Application and Nitrapyrin · 1999

    Opposite direction

  7. positive
    Nitrapyrin increased grain yield by 27% when applied with 67 kg/ha fall-N.

    Effect of Nitrapyrin on Nitrification of Broadcast‐applied Urea, Plant Nutrient Concentrations, and Corn Yield1 · 1979

    Opposite direction

  8. positive
    In 1978 nitrapyrin significantly increased corn grain yields.

    Effect of Nitrapyrin on N Response of Corn on Sandy Soils1 · 1982

    Opposite direction

34 papers more in this group

See all 43 papers →

transplanting · yield · Zea mays (maize)Results differ

130 papers: 88 positive, 42 negative or no effect

41 papers in the same direction as this claim · 88 in the opposite direction

  1. positive
    Direct-seeded maize after sunnhemp yielded 74% more than continuous conventional maize in 2007/08.

    ROTATION IN CONSERVATION AGRICULTURE SYSTEMS OF ZAMBIA: EFFECTS ON SOIL QUALITY AND WATER RELATIONS · 2010 · compared with maize in the conventionally ploughed control treatment with a continuous maize crop

    Opposite direction

  2. positive
    BrUrea with both inhibitors reduced ammonia loss by 64% relative to BrUrea.

    Combining Urease and Nitrification Inhibitors with Incorporation Reduces Ammonia and Nitrous Oxide Emissions and Increases Corn Yields · 2017 · compared with BrUrea

    Opposite direction

  3. positive
    Direct seeding gave 1690 kg ha −1 more maize yield under medium rainfall.

    Are conservation agriculture (CA) systems productive and profitable options for smallholder farmers in different agro-ecoregions of Zimbabwe? · 2016 · compared with conventional practice

    Opposite direction

  4. positive
    Broadcast phosphorus gave greater first-crop corn yields than banding at equal rates.

    Phosphorus Response of Corn on an Oxisol as Influenced by Rates and Placement · 1979 · compared with band treatments at the same rates

    Opposite direction

  5. positive
    Broadcast PCU increased grain yield by 4 to 13% against UAN.

    Use of Five Nitrogen Source and Placement Systems for Improved Nitrogen Management of Irrigated Corn · 2016 · compared with broadcast UAN

    Opposite direction

  6. positive
    Transplanting maize significantly increased grain yield.

    Transplanting maize and sorghum reducesStriga hermonthicadamage · 2001 · compared with direct seeding

    Opposite direction

  7. positive
    Broadcast nitrogen fertilization positively affected grains per ear and yield with quadratic responses.

    Combination of inoculation methods of Azospirilum brasilense with broadcasting of nitrogen fertilizer increases corn yield · 2015

    Opposite direction

  8. positive
    Glyphosate applied broadcast gave the highest corn yield (11,300 kg/ha) compared with a banded application (10,160 kg/ha).

    Live and Killed Hairy Vetch Cover Crop Effects on Weeds and Yield in Glyphosate-Resistant Corn · 2004 · compared with a banded application

    Opposite direction

121 papers more in this group

See all 130 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.