遅ち効こう性せい肥ひ料りょう

noun

slow-acting fertilizer

A fertilizer that releases nutrients gradually over time, often used in agriculture and gardening.

• 遅ち効こう性せい肥ひ料りょうは、植しょく物ぶつに長ちょう期き間かん栄えい養ようを供きょう