Multitask Singularity Regression Kriging
Moran's I up to 0.98 (p < 0.001)
ProblemStandard fertiliser maps model each nutrient separately and at one spatial scale, throwing away information that's actually there in the data.
SolutionA multiscale, multitask geostatistics framework that models related soil and crop variables together.
ImpactMoran's I up to 0.98, validated with leakage-controlled spatial cross-validation across three real farm datasets.
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