Core Points - The 20th Central Committee's Fourth Plenary Session approved the proposal for the 15th Five-Year Plan, emphasizing high-quality agricultural development and the protection of black soil [1] - Jilin province, which has over 87% of its arable land as black soil, produces more than 90% of its grain from this resource [2] Group 1: Technological Advancements - The "Sky-Earth" three-dimensional monitoring technology is being implemented in agricultural fields, allowing farmers to benefit from technological advancements [3] - A monitoring system referred to as "health guardian armor" combines remote sensing and IoT for multi-dimensional monitoring of black soil [1] Group 2: Economic Impact - The "Sky-Earth" monitoring system has served over 2,200 farmers and covers more than 220,000 acres of arable land, reducing production costs by over 3% and increasing yields by 5% to 10% [4] - Jilin province is implementing ten major black soil protection models, with specific strategies for different regions to enhance soil quality [4] Group 3: Soil Quality Improvement - By the end of 2024, Jilin province aims to increase the average thickness of arable land by 0.68 cm and improve organic matter content by 1.44 grams, raising the quality rating to 4.44 [4]