Observationmodel-written summary

The best economic nitrogen rate for summer maize was 199 kg / ha.

A claim from Effect of Nitrogen Application Rate on Crop Yield and the Soil Nitrate Nitrogen Accumulation in the Intensive Agriculture Region in North China · 2015

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The best economic nitrogen rate for summer maize was 199 kg / ha.

Taxon
summer maizeZea mayse0
Outcome
best economic nitrogen ratee0
Value
199 kg / hae0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionQualifier

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

“The best economic nitrogen rate for summer maize was 199 kg / ha”

✓ located verbatim in the source · abstract, characters 583–647

Title

Effect of Nitrogen Application Rate on Crop Yield and the Soil Nitrate Nitrogen Accumulation in the Intensive Agriculture Region in North China

RU Shu-hu Acta Agriculturae Boreali-Sinica 2015

Other claims from this paper (11)

Record rev-4556f01efdfc535d4f29e5fb43220e4a57c1e213b08cebc0b6833ae96020184e · schema claims-v0.9 · position 4 in the model’s answer