The mobile integrated irrigation and fertilization system is a portable agricultural device ideal for large-scale farming operations. It offers easy mobility and can be customized to suit various on-site conditions—such as the type of crops being grown or the irrigation method—in use! This system is primarily designed for the precise control of both irrigation water and fertilizer application. It mixes fertilizer and water in precisely defined ratios before delivering the mixture to the crops via pipelines or other delivery methods. For example, in greenhouses, the system can be easily moved between different planting areas to provide vegetables and other crops with the appropriate amount of water and fertilizer in a flexible manner. This approach helps improve fertilizer utilization efficiency, reduce waste, and accurately meet the water and fertilizer requirements of crops at various growth stages.