Claim · model-written summary
Maize nitrogen use efficiency declined with rising nitrogen fertilizer rate.
Zea maysNot reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The N use efficiency decreased with increased N fertilizer rate”
t0“maize”
Title
Jianliang Liu; Lingduo Bu; Lin Zhu; et al. Acta Agriculturae Scandinavica Section B - Soil & Plant Science 2013. doi:10.1080/09064710.2013.837192
Other claims from this paper (9)
- Association Residual soil nitrate after harvest and apparent nitrogen losses increased with nitrogen fertilizer rate.
- Observation High soil nitrate accumulated at 80–200 cm under N300 and N400 in 2010 and 2011.
- Intervention effect Agronomic, apparent recovery, and physiological efficiency did not differ significantly among N100, N200, and N250.
- Intervention effect Maize grain yield increased with nitrogen fertilization.
- Intervention effect Maize grain yield did not increase further above plant nitrogen requirements.
- Association Grain yield followed a linear plateau relationship with nitrogen supply.
- Observation A minimum nitrogen supply of 279 kg N ha−1 produced a maximum maize yield of 13.9 Mg ha−1.
- Observation The minimum nitrogen supply rate was similar to plant nitrogen uptake and reduced apparent nitrogen losses.
- Recommendation The authors recommend accounting for soil nitrate in maize fertilizer recommendations to support high yield and improve fertilization.