Core Viewpoint - The article highlights the successful implementation of erosion control techniques in Heilongjiang Province, China, which have transformed previously damaged farmland into productive agricultural land, thereby enhancing food production capacity and ecological sustainability [1][2][3] Group 1: Erosion Control Techniques - The research team has innovatively used corn straw to fill erosion gullies and installed underground drainage pipes, significantly reducing surface runoff and soil erosion [1] - The erosion control strategy follows the "three priorities" principle: prioritizing the treatment of gullies in farmland, using landfill reclamation technology to restore farmland integrity, and promoting vegetation-based flexible governance techniques [2] Group 2: Impact on Agriculture - The removal of erosion gullies has allowed for more efficient agricultural practices, enabling larger farming machinery to operate without obstruction, thus increasing the area of arable land [3] - In the current year, the area of farmland in Guangrong Village has increased by over 50 acres compared to the previous year due to the successful gully management [3]