Have you ever wondered how plants grow? What makes them so strong and healthy? The answer is simple: fertilizers. For plants, fertilizers provide the essential nutrients they need to grow and thrive, leading to healthier plants that are more resistant to pests and diseases, which can influence larger, more bountiful harvests. For people, fertilizers help to ensure that we have enough food to eat. They also help to improve the quality of food by increasing the levels of essential nutrients, which can positively impact our health, as it can help reduce the risk of nutrient deficiencies. In short, fertilizers are a miracle for plants and people. I have always enjoyed gardening and am fascinated by fertilizers' effect on plant growth and development. I remember being amazed at how quickly a plant grew and how healthy it got. Numerous sorts of fertilizers are available, each with its advantages. Some fertilizers would make plants develop quickly for food, while others are formulated to let plants produce more flowers and fruits. This book, Fertilizer Technology Management, highlights the role of fertilizers in sustainable agriculture. It provides readers an overview of the benefits, risks, and how to safely and responsibly handle fertilizers. Also, it is written to serve as reference learning material for Agri-Fishery 1 & 2 subjects for my Bachelor in Technology and Livelihood Education program students. I hope this humble work will be a valuable learning resource for everyone. Let us grow healthy and beautiful plants while protecting the environment.