alluvial

Our vegetables grow well in the rich alluvial soil. ▶

我们的蔬菜在肥沃的冲积土中长势良好。

Alluvial plains often support intensive agriculture because rivers deposit fertile sediment across these lowland areas.

冲积平原通常有利于集约农业，因为河流会在这些低地沉积肥沃的泥沙。