Observationmodel-written summary

Current NUE averaged 39% in upland soils

A claim from Long-term impacts of mineral and organic fertilizer inputs on nitrogen use efficiency for different cropping systems and site conditions in Southern China · 2023

Observationobservedoriginal resultmeasured

Claim · model-written summary

Current NUE averaged 39% in upland soils

Taxon
cropse1
Outcome
Current NUEe6
Value
39%e6
Qualifier
on averagee6
Setting
upland soilse6

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorDirection

Verbatim

e1

“During nearly 40 years of fertilization, NUE decreased when crops were fertilized with N and potassium fertilizers only, while the NUE increased when multi-nutrient or organic fertilizers were used”

✓ located verbatim in the source · abstract, characters 459–656
e6

“Current NUE equalled on average 30% in paddy soils, 39% in upland soils and 42% in paddy upland soils”

✓ located verbatim in the source · abstract, characters 1117–1218

Title

Long-term impacts of mineral and organic fertilizer inputs on nitrogen use efficiency for different cropping systems and site conditions in Southern China

Xingjuan Zhu; Gerard H. Ros; Minggang Xu; et al. European Journal of Agronomy 2023. doi:10.1016/j.eja.2023.126797

Other claims from this paper (11)

Record rev-e6d5d92447996cf1869d63f3c0eb92733ea484c2b97b9e04fd7703a70e4fb44a · schema claims-v0.9 · position 8 in the model’s answer