noun
slow-acting fertilizer
A fertilizer that releases nutrients gradually over time, often used in agriculture and gardening.
遅効性肥料は、植物に長期間栄養を供給します。
Slow-acting fertilizer supplies nutrients to plants over a long period.
速効性肥料 is a quick-acting fertilizer that releases nutrients rapidly, in contrast to the gradual release of 遅効性肥料.
Compound of 遅効 (slow-acting) + 性 (-ity) + 肥料 (fertilizer).