农业机是农业用固定翼机，有部分发达国家（如美国）农作物经常受蝗虫等害虫侵蚀，令农民饱受损失，于是利用固定翼机洒农药，减少损失。

优点

• 比普通人手或普通机械更节省时间

缺点

• 固定翼机燃料昂贵
• 附近必须有跑道以供升降
• 农地必须极之广阔，否则不利成本效益
• 必须有驾驶固定翼机牌照

An agricultural aircraft is an aircraft that has been built or converted for agricultural use - usually aerial application of pesticides (crop dusting) or fertilizer (aerial topdressing); in these roles they are referred to as "crop dusters" or "top dressers". Agricultural aircraft are also used for hydroseeding.