Claim · model-written summary
The authors propose zone-specific nitrogen rates to improve nitrogen use efficiency and grower profits and reduce environmental impacts.
- Outcome
- selection of appropriate N rates across the fielde0
Zea maysNot reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our procedure demonstrated the ability to improve N management by the selection of appropriate N rates across the field, thereby improving N use efficiency and growers’ profits and reducing the potential for negative environmental impacts.”
t0“Maize”
Title
Spatio‐Temporal Nitrogen Fertilizer Response in Maize: Field Study and Modeling Approach
Susana M. Albarenque; Bruno Basso; Octavio P. Caviglia; et al. Agronomy Journal 2016. doi:10.2134/agronj2016.02.0081
Other claims from this paper (8)
- Intervention effect Nitrogen rate significantly affected maize yield in both fields.
- Association Homogeneous zone significantly affected maize yield in Field 2.
- Intervention effect Nitrogen response was affected only by nitrogen rate.
- Intervention effect Simulated maize yield was significantly affected by nitrogen.
- Method / resource The model accounted for spatial variability, with an HZ effect and HZ-by-nitrogen interaction.
- Association The economic optimum nitrogen rate differed among homogeneous zones in both fields.
- Association Temporal variability of grain yield, nitrogen response and net revenue increased with nitrogen rate.
- Recommendation The authors suggest selecting nitrogen rate by homogeneous zone to reduce environmental and economic risk.