Core Insights - The "fish-vegetable symbiosis" system at the Shenhwa campus of Daguang Primary School has successfully engaged students and parents, leading to a rapid sale of freshly caught bass [3] - The system utilizes a tidal circulation method that allows for efficient water use and nutrient recycling, demonstrating innovative agricultural practices [3] - The school has dedicated approximately 3 acres to various agricultural zones, emphasizing the importance of hands-on learning and interdisciplinary knowledge for students [3] Group 1 - The fish-vegetable symbiosis system has been operational for over six months, producing over 100 bass for sale [3] - The system is designed to avoid water changes, utilizing volcanic rock to filter fish waste and nourish plants [3] - The school views the use of land for agricultural purposes as valuable for student development, despite the high cost of land in urban areas [3] Group 2 - The school previously attempted to grow tea trees, but the project failed due to unsuitable soil pH, providing students with practical learning experiences [4] - The principal emphasizes that the farm serves as a testing ground for students to learn through trial and error, fostering a connection with nature and technology [5] - The goal is to integrate labor with education, allowing students to experience the cycles of life and create beauty through hands-on practice [5]

Core Insights - The "fish-vegetable symbiosis" demonstration base in Pankeng Village, Jiexi County, represents a significant innovation in modern agriculture, showcasing a sustainable model that integrates aquaculture and agriculture without traditional farming methods [1][2][3] Group 1: Project Overview - The project is a collaboration between Pankeng Village and Guangdong Yonggao Agricultural Co., Ltd., with the first phase completed and operational by January 2025 [2] - The system utilizes circular fish ponds and sand-based vegetable cultivation, eliminating the need for water changes in fish farming and fertilizers in vegetable growing [2] Group 2: Technological Advancements - The fish-vegetable symbiosis system has achieved a nitrogen utilization rate increase from 30% to 85%, and water resource recycling rate exceeds 90% [2] - The output per unit area has improved by 3 to 5 times, with a 30% reduction in vegetable growth cycles and a 50% increase in fish production [2] Group 3: Environmental Impact - The system promotes zero pollution and sustainable development, avoiding the use of chemical fertilizers and pesticides, which are common in traditional agriculture [3] - The natural biological control system significantly reduces pests, contributing to a healthier ecosystem and serving as a model for ecological agriculture [3]