Dictionary / Vocabulary / 赤土
あかつち
red clay; red earth; laterite; dark-red paint
その結果、雨が降れば、大量の表土、赤土、化学肥料、農薬が、海に流れだす。
As a result, when it rains, large amounts of topsoil, clay, chemical fertilizers, and pesticides are washed into the sea.