沃土

1. Origins, structure, and basic meaning

• Structure: 沃土, read よくど, means fertile land where crops grow well.
• Basic usage: It describes fertile land in a river basin or the result of making land fertile.
  • 川の流域には作物がよく育つ沃土が広がっていた。

2. Common pitfalls and similar expressions

• Noun use compared with 肥沃
  • 沃土 is a noun naming the land itself, while 肥沃な土地 describes land by its fertile quality.