煤渣倾倒耕地为何多年难以恢复？来看记者调查

Group 1 - The article discusses the issue of coal gangue being dumped in agricultural land in Baiqiang Village, Henan Province, which has raised concerns about soil and groundwater contamination [1][6] - Local authorities have identified 12 sites where coal gangue has been dumped, primarily affecting five villages in the Zhengcun Town area [6][7] - The coal gangue, a byproduct of coal mining and washing, is described as a solid waste material that may contain harmful substances, raising questions about its impact on agricultural productivity and environmental safety [7][9] Group 2 - Villagers have reported that the presence of coal gangue has negatively affected crop yields, with some farmers stating that their land is no longer suitable for farming due to insufficient soil cover and nutrient deficiencies [3][9] - The local government has initiated measures to address the issue, including the removal of illegal coal washing plants and the implementation of soil remediation efforts [6][10] - There are ongoing assessments to determine the extent of groundwater contamination and the effectiveness of soil remediation, with plans for systematic restoration based on the findings [10]