The sale of agricultural land has been illegal in Ukraine since 1992; despite this, there is a black market for chernozem soil, sold in trucks, with approximately $900 million in annual sale.
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There are two "Chernozem belts" in the world: from eastern Croatia (Slavonia), along the Danube (northern Serbia, northern Bulgaria (Danubian Plain) and southern Romania (Wallachian Plain)), to northeast Ukraine across the Black Earth Region and southern Russia into Siberia, and the other in the Canadian Prairies.