Zonal soil types are classically organized on a temperature-versus-precipitation grid: Pedocals form under hot/dry (calcium carbonate accumulation), Laterites under hot/wet (intense leaching), Tundra soils under cold/dry, and Pedalfers under cold-temperate/wet (iron-aluminum accumulation) conditions.
Quadrant A (hot, low precipitation) corresponds to Pedocals, arid-climate soils where calcium carbonate accumulates due to limited leaching. Quadrant B (hot, high precipitation) corresponds to...
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