pH ranges by crop, drainage class impacts, AWC thresholds, CEC significance, depth to restrictive layer.
GDD requirements by crop (corn 2,700, soybeans 2,200-2,600), frost-free season, precipitation distribution, hardiness zones.
Revenue per acre, input costs, market access, crop insurance availability.
Composite 0-100 score: 40% agronomic fitness, 30% climate risk, 30% economic viability.