Group 1 - The core viewpoint of the articles highlights the significant increase in grain production and acquisition in Changchun, with a record high of 1,116.5 million tons of new grain collected by the end of the 2024 acquisition period, marking a year-on-year increase of 19.6 million tons [1] - Changchun's agricultural output value reached 184 billion yuan, with per capita disposable income for farmers increasing by over 30% compared to five years ago, reaching 21,774 yuan [1] - The grain production in Changchun is projected to reach a historical high of 25.99 billion jin in 2024, with an increase in grain yield to 1,090.2 jin per mu [1] Group 2 - Changchun has implemented comprehensive grain quality safety monitoring, with 502 batches of grain and oil samples tested to ensure the safety of newly harvested grains and finished products [2] - The city has established a modern agricultural system with 13.03 million mu of high-standard farmland, addressing issues related to black soil degradation through collaboration with the Chinese Academy of Sciences [2][3] - The agricultural processing industry in Changchun is expected to reach a scale of 78.71 billion yuan in output value in 2024, accounting for one-third of the province's agricultural processing output [6]