Core Viewpoint - The article highlights the significant reduction in national average precipitation and river water flow in China, prompting the Ministry of Water Resources to implement measures to ensure irrigation for grain production [1] Group 1: Precipitation and Water Supply - As of mid-May, the national average precipitation is nearly 20% lower than the same period in previous years [1] - Major river water flow is approximately 30% less than the historical average for this time of year [1] Group 2: Irrigation Measures - The Ministry of Water Resources is scientifically scheduling water projects to secure irrigation water for grain production [1] - A total of 3.6 million acres have been irrigated this spring, with 5,230 large and medium-sized irrigation areas activated, covering 2.5 million acres [1] - In drought-affected regions of Shanxi, Henan, and Shaanxi, over 1.7 billion cubic meters of water have been supplied, irrigating 1.57 million acres, ensuring overall irrigation water supply [1]