宁夏贺兰：盐碱地变身鱼塘稻田

Core Viewpoint - The article highlights the innovative practices in aquaculture in Ningxia's Helan County, focusing on the transformation of saline-alkali land into productive agricultural and aquaculture areas through technology and ecological methods. Group 1: Aquaculture Innovations - The company has successfully cultivated 4,000 pounds of shrimp and over 3,000 pounds of crabs during the recent holiday seasons, showcasing the effectiveness of technology in aquaculture [1] - The collaboration with Shanghai Ocean University has led to the establishment of land-based ecological fish farms, utilizing a "wide ditch deep trough" model to enhance soil quality and reduce chemical fertilizer usage by 60% over three years [1] - The integration of digital technology, such as real-time monitoring and drone feeding, has improved the efficiency of aquaculture operations, leading to stable growth in water product output for nine consecutive years [2] Group 2: Economic Impact - Helan County's aquaculture contributes 11.3% of the region's water products, with an average yield of 1,120 kg per mu, and is projected to reach a total output of 63,500 tons and a value exceeding 940 million yuan in 2024, reflecting a 12.7% year-on-year growth [2] - The dual-cropping model of rice and aquaculture has resulted in a 30% premium for crab rice and more than double the net income compared to traditional rice farming [2] - The county has implemented water rights reforms and developed a secondary market for water rights, achieving an annual water savings of approximately 20 million cubic meters [2] Group 3: Sustainable Practices - The establishment of a multi-faceted and efficient water industry system has allowed for the large-scale cultivation of high-end cold-water fish and the transformation of saline-alkali land into productive agricultural areas [3] - The innovative "1+X" saline-alkali land transformation technology has increased income from low-lying saline-alkali land to 3,000 yuan per mu while ensuring food security [4] - The ecological and industrial cycle established in Helan County has led to a modern aquaculture system that supports both environmental sustainability and economic growth [4] Group 4: Future Development Plans - Helan County aims to become the leading region for high-quality water industry development in Northwest China, focusing on the construction of a comprehensive Atlantic salmon industry chain and a large-scale fishery park [5] - Plans include enhancing the cold chain logistics system to improve the distribution radius of aquatic products and fostering a model that integrates industry, processing, and tourism [5] - The goal is to create a virtuous cycle that promotes both fishing and tourism, establishing the water industry as a key feature of local agriculture and a significant source of income for farmers [5]