Claim · model-written summary
The authors suggest DCD and UDP to reduce N2O emissions and improve yield and nitrogen use efficiency.
- Taxon
- rice
Oryza sativae0
- Outcome
- use of DCD and UDPe0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the use of DCD and UDP could mitigate N2O emissions and increase grain yields and nitrogen use efficiency under direct-seeded rice condition”
Title
Yam Kanta Gaihre; Upendra Singh; Wendie D. Bible; et al. Rice Science 2020. doi:10.1016/j.rsci.2020.03.005
Other claims from this paper (14)
- Intervention effect UDP reduced N2O emissions by 95%.
- Intervention effect DCD reduced N2O emissions by 73%.
- Observation Urea had the highest emission factor at 1.53% of applied N.
- Observation UDP had the lowest emission factor at 0.08%.
- Association Emission peaks were associated with fertilization and appeared within one to two weeks.
- Observation Emission peaks contributed 65%–98% of seasonal emissions.
- Intervention effect Residual fertilizer treatment effects on ratoon crop N2O emissions were not significant.
- Observation Urea contributed 2% of total annual emissions in the ratoon crop.
- Observation UDP contributed 44% of total annual emissions in the ratoon crop.
- Observation Cumulative NO emissions were not significant in rice or ratoon crops.
- Intervention effect UDP increased grain yield by 16%–19% over urea.
- Intervention effect DCD increased grain yield by 16%–19% over urea.
- Intervention effect UDP increased nitrogen recovery efficiency by 30%–40% over urea.
- Intervention effect DCD increased nitrogen recovery efficiency by 30%–40% over urea.