This is the 6309th most frequent Japanese word.
コンポスト
Compost.
Here, 'コンポスト' is referred to as the tool or method used for composting organic waste.
コンポストを使って家庭で堆肥を作るのは環境に優しい方法です。
Using compost to create fertilizer at home is an environmentally friendly method.
In this sentence, 'コンポスト' represents the compost itself used as a soil amendment.
この庭の野菜はコンポストで育てた土で栽培されています。
The vegetables in this garden are grown in soil enriched by compost.
Here, 'コンポスト' is the compost bin or the designated place for organic waste decomposition.