Core Viewpoint - The successful development of the salt-tolerant hybrid rice variety "Qingliangyou 3261" marks a significant advancement in agricultural technology for saline-alkali land in China, with potential for large-scale planting in coastal saline areas [1][2][3] Group 1: Product Development and Characteristics - "Qingliangyou 3261" is a major innovation from the National Salt-Alkali Tolerant Rice Technology Innovation Center, exhibiting high salt tolerance and yield potential, with average yields exceeding 400 kg per mu under 3‰ salt stress conditions [1][2] - The variety has demonstrated an average yield of 650 kg per mu in non-saline conditions, making it suitable for both saline and non-saline land [1][3] Group 2: Demonstration and Application - Since 2022, demonstration bases have been established in multiple coastal saline areas in South China, utilizing key technologies such as water-saving and salt-controlling techniques to enhance the yield of "Qingliangyou 3261" [2] - In 2023, the average yield for "Qingliangyou 3261" reached over 500 kg per mu in saline conditions, with total yields exceeding 1100 kg per mu across two seasons [2] - The plan for 2023-2024 includes 25 demonstration sites in coastal saline areas and 30 sites in non-saline regions, aiming to promote a total planting area of approximately 50,000 mu [3]