HIGHLIGHTS
SUMMARY
Geophysical mapping-driven nitrogen fertilization for durum wheat Nitrogen is one of the main constraints limiting crop yield, especially for cereals where low nitrogen or poor nitrogen management reduce yield, residual soil fertility, quality and environmental sustainability. Different level of soil N mineralization, leaching, volatilization and crop uptake, generate a spatial variability of N in the soil, justifying the application of variable rate techniques (VRT) to N fertilization. Criteria for fertilizing different zones in the same field vary, and the debate as to whether lower-yielding field regions should be fertilized with lower or . . .
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