The modern agricultural intelligent water and fertilizer system utilizes IoT sensors to monitor soil moisture in real-time, automatically adjusting irrigation volume and fertilizer ratio. This system achieves a 30%-50% water saving, a 20%-30% fertilizer saving, and a 15%-25% crop yield increase. The system supports various modes such as drip irrigation and micro-sprinkling, making it suitable for both protected agriculture and field planting, while reducing labor costs by over 50%.