海かい産さん肥ひ料りょうかいさんひりょうMeanings1nounmarine fertilizerFertilizer made from marine products such as fish, seaweed, or shellfish. Used in agriculture and gardening.この畑はたけでは海かい産さん肥ひ料りょうを使つかっています。We use marine fertilizer in this field.
