亩产377.68公斤，“中油杂501”再创我国冬油菜单产新高

Core Insights - The article highlights the significant advancements in China's oilseed rape industry, particularly through the introduction of the new variety "Zhongyouza 501," which has achieved record-high yields in various conditions [1][2]. Group 1: Crop Performance - "Zhongyouza 501" achieved an average yield of 377.68 kg per mu during a demonstration in Jiangsu, setting a new record for mechanical harvesting of winter oilseed rape in China [1]. - In a semi-arid region of Shaanxi, "Zhongyouza 501" yielded 312.23 kg per mu on moderately saline-alkaline land, doubling the local average yield under extreme drought conditions [2]. Group 2: Technological Integration - The high-yield demonstration in Jiangsu utilized integrated cultivation techniques, including precision sowing, optimized water and fertilizer use, and green pest control, showcasing a replicable model for large-scale oilseed production [1]. - The "double density and double high" technology model, centered around "Zhongyouza 501," has been promoted across over 2 million mu in the Yangtze River basin since the autumn sowing of 2024 [2]. Group 3: Recognition and Future Prospects - The Ministry of Agriculture and Rural Affairs has included "Zhongyouza 501" in the list of national leading agricultural varieties for 2024 and the catalog of excellent crop varieties for promotion in 2025 [2]. - The successful performance of "Zhongyouza 501" in high-yield competitions across Jiangsu, Hubei, and Sichuan demonstrates its potential to enhance national oilseed self-sufficiency and support farmers' income growth [2].