Intervention effectmodel-written summary

Mean cumulative N2O–N emissions were higher with side-dress timing than with pre-emergence timing

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

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Mean cumulative N2O–N emissions were higher with side-dress timing than with pre-emergence timing

Taxon
maizeZea mayst0
Treatment
side-dress timingse5
Outcome
Mean cumulative N2O–N emissionse5
Direction
higherinferrede5
Value
1.80 and 2.31 kg N2O–N ha−1e5
Comparator
pre-emergencee5
Setting
West Lafayette, Indianae1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleQualifier

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

t0

“maize production”

✓ located verbatim in the source · title, characters 38–54
e1

“Field experiments near West Lafayette, Indiana in 2010 and 2011”

✓ located verbatim in the source · abstract, characters 662–725
e5

“Mean cumulative N2O–N emissions (Q10 corrected) were 0.81, 1.83 and 3.52 kg N2O–N ha−1 for the rates of 0, 90 and 180 kg N ha−1, respectively; 1.80 and 2.31 kg N2O–N ha−1 for pre-emergence and side-dress timings, respectively; and 1.77 versus 2.34 kg N2O–N ha−1 for with and without nitrapyrin, respectively”

✓ located verbatim in the source · abstract, characters 858–1165

Title

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

Juan P Burzaco; Doug R Smith; Tony J Vyn Environmental Research Letters 2013. doi:10.1088/1748-9326/8/3/035031

Other claims from this paper (6)

Record rev-a2df83558bc2dc18ad3491c77b40fa6f9e800f38d09908c51cffe200ccfe1656 · schema claims-v0.9 · position 4 in the model’s answer