Claim · model-written summary
Significant nitrogen use efficiency gains required a controlled-release urea fraction of at least 0.6.
Oryza sativaNot reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant yield and NUE gains from CCU were evident only when the ratio of controlled‐release urea to total nitrogen input reached 0.6 or above.”
t0“Rice”
Title
Linsheng Yang; Prakash Lakshmanan; Debao Tu; et al. Food and Energy Security 2025. doi:10.1002/fes3.70043
Other claims from this paper (16)
- Intervention effect Combined urea increased rice yield by 6.22% versus conventional urea.
- Intervention effect Combined urea increased nitrogen use efficiency by 16.5% versus conventional urea.
- Association Significant rice yield gains required a controlled-release urea fraction of at least 0.6.
- Association Rice yield increased at nitrogen rates of 150 to 225 kg ha −1.
- Association Nitrogen use efficiency increased at nitrogen rates of 150 to 225 kg ha −1.
- Association Grain yield showed no significant improvement beyond 290 kg ha −1 nitrogen.
- Association Nitrogen use efficiency showed no significant improvement beyond 327 kg ha −1 nitrogen.
- Intervention effect Split combined-urea application gave significantly greater rice yield than single application.
- Intervention effect Split combined-urea application gave significantly greater nitrogen use efficiency than single application.
- Association Rice yield increased where mean annual temperature exceeded 10°C.
- Association Rice yield increased where mean annual precipitation exceeded 800 mm.
- Association Rice yield increased where soil available nitrogen exceeded 50 mg kg −1.
- Association Nitrogen use efficiency increased under the reported temperature, precipitation and soil nitrogen thresholds.
- Association Soil pH and organic matter significantly determined rice yield gains with combined urea.
- Association Soil pH and organic matter significantly determined nitrogen use efficiency gains with combined urea.
- Recommendation The authors propose combined controlled-release and conventional urea for sustainable rice production.