煤渣倾倒耕地 多年难以恢复（来信调查）

Core Viewpoint - The article highlights the environmental concerns raised by villagers regarding the dumping of coal gangue in agricultural lands, which they believe affects crop growth and may lead to soil and groundwater contamination [4][5][8]. Group 1: Environmental Impact - Villagers report that coal gangue has been dumped on their farmland, leading to concerns about its impact on crop yields and potential pollution of soil and groundwater [4][5]. - The local government acknowledges the presence of 12 dumping sites within the village, primarily consisting of coal gangue, which is a byproduct of coal mining and washing [8][9]. - Initial water quality tests conducted by local authorities indicate that the levels of contaminants in groundwater and soil samples are within normal ranges [9][10]. Group 2: Agricultural Concerns - Villagers express frustration over the poor growth of crops on land where coal gangue has been dumped, citing insufficient soil cover and nutrient deficiencies [6][11]. - The local agricultural department has set standards for soil cover thickness (60 cm) to ensure proper farming conditions, but some areas reportedly do not meet these requirements [10][11]. - The article mentions that the agricultural practices in the region include seasonal planting of crops like corn and wheat, which are affected by the soil conditions [9][10]. Group 3: Regulatory and Remediation Efforts - The local government has taken steps to address the issue by shutting down coal washing plants and initiating land restoration efforts [8][10]. - The company responsible for the coal gangue dumping, Xinyi Mining Co., claims to have followed regulations for waste disposal but acknowledges past issues with improper dumping [12][13]. - Ongoing monitoring and testing of soil and water quality are being conducted to assess the long-term effects of coal gangue on the environment and agriculture [13].