Title: Guan guang nong ye yuan gui hua yu jing ying
Description: Ben shu bao kuo guan guang nong ye fa zhan gai kuang, Guan guang nong ye yuan de zuo yong yu gong neng, Guan guang nong ye yuan gui hua jian she de mu de yu li nian, Guan guang nong ye yuan gui hua qian de shi chang, Ji shu yu zi yuan yan jiu, Guan guang nong ye yuan de xuan zhi yu jing ying ding wei deng nei rong.