成石山，湖南宁乡县大屯营乡月湖村人，一个地地道道的普通农民。改革开放以来，党的政策使他有机会学科学技术，他不仅会木工、泥工、机械维修，尤爱养鱼。十余年来，他年年订阅《科学养鱼》，购买渔业技术资料在100册以上，克眼年纪大、事情多等困难，潜心钻研，并数次上长沙 Into the stone mountain, Hunan Ningxiang Datun camp Township Moon Village, an ordinary peasant. Since the reform and opening up, the party’s policy has given him the opportunity to learn science and technology. He not only carpentry, masons, mechanical maintenance, especially fish farming. For more than ten years, he subscribes to “Scientific Fish Farming” every year and has purchased more than 100 technical documents for fisheries. His eyes are old and things are more difficult. He devoted himself to studying and several times on Changsha