About HE Liangdong
About 北大 大学院農学院
About KOMATSU TOMOMI
About 北大 大学院農学研究院
About 農業経営研究
About People's Republic of China
About Litchi
About agricultural management
About transaction
About business administration
About income
About Litchi chinensis
About family-owned business
About 収穫権取引
About agricultural income
About Agricultural economy,agricultural management
About Fruit trees
About 中国
About ライチ
About 農場
About 収穫
About 取引
About 参入