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Site-specific fertilization strategies for conventional and hybrid wheat genotypes with high nitrogen use efficiency
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DOI：10.1016/j.fcr.2026.110643.png)
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Abstract
En 中文
• Existing NDVI-based DSSs perform poorly for high-NUE conventional and hybrid wheat. • Tailored models improved N management at both tillering and stem elongation. • N fertilization strategies should account for genotype-specific vigor differences. • Hybrid wheat showed a high yield potential and distinct N requirements. • Lower hybrid seeding density and high vigor require careful N management at tillering.
Keywords:
ANOVA
Analysis of Variance
DSSs
Decision Support Systems
GDD
Growing Degree Days
GLM
General Linear Model
GS
Growth Stage
N
Nitrogen
N23
Nitrogen rate applied at tillering
N31
Nitrogen rate applied at stem elongation
NDRE
Normalized Difference Red Edge Index
NDVI
Normalized Difference Vegetation Index
NDVI23
NDVI measured at tillering
NDVI31
NDVI measured at stem elongation
NIR
Near-InfraRed
NUE
Nitrogen Use Efficiency
REGW-F
Ryan–Einot–Gabriel–Welsh F test
R²
Coefficient of determination
RRMSE
Relative Root Mean Square Error
Hybrid wheat
Nitrogen fertilization
N fertilization model
NDVI-based decision support system
Grain yield prediction
Journal
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6.4
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6.4K
Citations:
2.8W
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