A fertilizer injector is a device used in agriculture and gardening to mix fertilizers with water before applying it to plants. This system ensures that nutrients are delivered evenly and efficiently, promoting healthy growth. Fertilizer injectors can be manual or automatic, allowing for precise control over the amount of fertilizer used. These injectors are often connected to irrigation systems, such as drip irrigation or sprinklers, making it easier to nourish plants while conserving water. By integrating a fertilizer injector, farmers and gardeners can optimize their fertilization process, leading to better crop yields and healthier plants.