遵照伟大领袖毛主席“自力更生,艰苦奋斗,破除迷信,解放思想”的教导,我们和北票县广大工农与革命技术人员相结合,对煤矸石(碳质页岩)直接用做肥料进行了调查研究,要把多年堆积成山的煤矸石有效地利用起来,为打胜辽宁农业翻身仗作出贡献。 Following the teachings of Chairman Mao, the great leader, “self-reliance, arduous struggle, superstitious beliefs and emancipation of the mind”, we investigated the direct use of coal gangue (carbonaceous shale) as a fertilizer in conjunction with the broad masses of workers and peasants and revolutionary technicians in Beipiao County Research, we must make effective use of gangue pile up for many years, to win the victory of Liaoning agriculture to make a contribution.