在北京市大兴区留民营村,有一位自学成才的生态农业专家。他就是留民营生态农场副场长、北京某预备役高炮团副指导员张奎成。 1982年,北京市环保所、北京市能源办公室作出将留民营作为京郊生态农业建设与研究的实验基地的决定,让张奎成赢得了配合专家搞生态农业建设的良机。 In Beijing’s Daxing District Li private camp Village, a self-taught eco-agriculture experts. He is the deputy chief of the private ecological farm in Beijing, and Zhang Kuicheng, deputy instructor of a reservist artillery corps in Beijing. In 1982, Beijing Municipal Environmental Protection Office and Beijing Energy Office made the decision to leave the private sector as an experimental base for the construction and research of ecological agriculture in the suburbs of Beijing, so that Zhang Kuicheng won the opportunity to cooperate with experts in ecological agriculture.