To Reverse a Troubling Trend, Farmers Are Adding Rocks to Their Fields
Modern Farmer
SEPTEMBER 25, 2023
At the end of the last Ice Age, retreating glaciers scoured the bedrock, leaving a wake of grit and gravel to form the deep loess soil. Pre-cultivation, the region owed the healthy pH of its soils to the lucky coincidence of sitting atop a volcanic bed. Not much rain falls in this grassland habitat.
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