会話トレ Drill: 全カテゴリALL

• 農業・ガーデニング
• 農法

covering seeds with soil

• 生活

payment on delivery

• 農業・ガーデニング
• 農法
• 肥料

NPK (Nitrogen, Phosphorus and Potassium (Kalium))

Acronym for the three major plant nutrients contained in manure, compost and fertilizers: Nitrogen, Phosphorus and Potassium (Kalium).