農業 - 中國

中國復合農業 by: (Language materials, printed)

齊民要術考證 by: (Language materials, printed)

清代陕西农业地理研究 by: (Language materials, printed)

黄河流域与绿色文明 : 明代山西河北的农业生态环境 by: (Language materials, printed)

东周秦汉关中农业变迁研究 by: (Language materials, printed)

齊民要術

農業政策

農業