大中型灌区建设与管理服务
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335处大中型灌区为广东夺取秋粮丰收提供水利保障
Zhong Guo Jing Ji Wang· 2025-10-21 07:57
Core Insights - Guangdong province has significantly improved its agricultural irrigation infrastructure, providing 5.75 billion cubic meters of irrigation water to 13.237 million acres, enhancing water security for autumn grain harvests [1][2] - The effective irrigation area has increased from 68% in 2020 to 81% currently, exceeding the "14th Five-Year Plan" target of 53.5% [1][2] - The province has implemented a comprehensive irrigation development plan, focusing on modernizing large and medium-sized irrigation districts [2][3] Investment and Infrastructure - Guangdong has allocated 407 million yuan for the modernization of 39 large and medium-sized irrigation projects, which will restore and improve irrigation for 813,100 acres [2] - The total investment for the modernization of the Lighthouse Basin's irrigation projects is 792 million yuan, with 453.09 kilometers of channels constructed or renovated [5] Management and Efficiency - The province has established a management evaluation system for irrigation districts, focusing on organization, water management, engineering maintenance, and funding [3] - The effective utilization coefficient of irrigation water has reached 0.538, surpassing the target of 0.535 [1][3] Technological Integration - The integration of information technology in irrigation management has been emphasized, with digital and smart irrigation practices being implemented to enhance water efficiency [4][7] - The use of digital twin technology in the Enping Xikeng Reservoir irrigation district has led to improved irrigation management and increased crop yields [7] Regional Developments - In the Han River East Guangdong irrigation district, approximately 87 million cubic meters of water were supplied for spring irrigation, covering over 330,000 acres [6] - The Nanhua Basin has achieved 100% completion of the late rice planting plan, with a total of 32.64 million cubic meters of water supplied [4][7]