Intervention effectmodel-written summary

Waterlogging reduced DH605 yield by 38%.

A claim from Effects of urea mixed with nitrapyrin on leaf photosynthetic and senescence characteristics of summer maize (Zea mays L.) waterlogged in the field · 2020

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Waterlogging reduced DH605 yield by 38%.

Taxon
summer maize (Zea mays L.)Zea mayst0
Material
DH605e0
Treatment
WLe1
Outcome
yielde0
Direction
reductione0
Value
38e0
Comparator
NWLe0

Not reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“yield reduction by 38 and 42% for DH605 and ZD958, respectively, compared to NWL”

✓ located verbatim in the source · abstract, characters 1053–1133
e1

“WL significantly decreased leaf area index (LAI), SPAD, photosynthetic rate (Pn), and protective enzyme activities”

✓ located verbatim in the source · abstract, characters 882–996
t0

“summer maize (Zea mays L.)”

✓ located verbatim in the source · title, characters 95–121

Title

Effects of urea mixed with nitrapyrin on leaf photosynthetic and senescence characteristics of summer maize (Zea mays L.) waterlogged in the field

Bai-zhao REN; Juan HU; Ji-wang ZHANG; et al. Journal of Integrative Agriculture 2020. doi:10.1016/s2095-3119(19)62725-5

Other claims from this paper (13)

Record rev-9fc948a482c8146ed76a8e86456c96a3b854fc951c769c7720e10c68c1fd0e2c · schema claims-v0.9 · position 1 in the model’s answer

nitrogen · yield · Zea mays (maize)Positive and negative results

2,185 papers: 1,906 positive, 279 negative or no effect

278 papers in the same direction as this claim · 1,906 in the opposite direction

  1. positive
    Preplant urea at 100% of recommended nitrogen gave the greatest yield in two of three years.

    Can We Reduce Rainfed Maize (Zea maysL.) Nitrogenous Fertilizer Application Rate with Addition of Nitrapyrin? · 2016

    Opposite directionCited by this paper

  2. positive
    Post-waterlogging nitrogen increased grain number at V6 by 19.1%.

    Development stage-specific recovery of remedial nitrogen fertilizer application after waterlogging in maize through photosynthetic capacity and nitrogen allocation · 2025

    Opposite directionCites this paper

  3. negative
    Yield-scaled N2O–N emissions increased with N rates

    Nitrous oxide emissions in Midwest US maize production vary widely with band-injected N fertilizer rates, timing and nitrapyrin presence · 2013

    Same directionCited by this paper

  4. positive
    High nitrogen rates increased corn yield 1.6-fold over unfertilized controls in medium textured soils.

    Corn Response to Nitrogen is Influenced by Soil Texture and Weather · 2012 · compared with unfertilized control

    Opposite direction

  5. positive
    The variable yield goal zone strategy returned $18.21 to $29.57 per hectare more than uniform management.

    Economic Feasibility of Variable‐Rate Nitrogen Application Utilizing Site‐Specific Management Zones · 2004 · compared with uniform N management

    Opposite direction

  6. positive
    Nitrogen deficiency decreased grain yield, especially in older maize hybrids.

    Effects of Nitrogen Deficiency on Photosynthetic Traits of Maize Hybrids Released in Different Years · 2005

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

  7. positive
    The maximum agronomic yield of corn was obtained at 227 kg N ha1 in 1990.

    Field chlorophyll measurements for evaluation of corn nitrogen status1 · 1992

    Opposite direction

  8. positive
    Increasing fertilizer from 90 to 150 kg N ha−1 slightly increased corn yield.

    Nitrous oxide fluxes from corn fields: on‐farm assessment of the amount and timing of nitrogen fertilizer · 2009 · compared with 90

    Opposite direction

2,176 papers more in this group

See all 2,185 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.