窒ちっ素そ肥ひ料りょう

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Meanings

1

noun

nitrogen fertilizer

Technical term used in agriculture and gardening.

plug up, obstruct

素elementary, principle, naked

肥fertilizer, get fat, fertile

料fee, materials

化か学がく肥ひ料りょう
化学肥料 is a broader term for chemical fertilizers, while 窒素肥料 specifically refers to nitrogen-based ones.

Compound of 窒素 (nitrogen) and 肥料 (fertilizer).