西北农大“三老”与中国农史研究西北农业大学谷隆“三老”是中国农史界对西北农业大学古农学研究室季凤歧、冯有权、马宗申三位先生的尊称。他们生年相近（１９１５、１９１８、１９１７年），四十年代又先后同学西北农林专科学校（１９４０、Ｄ４４、１９４５届），互为... Northwest Agricultural University “Three Old” and the study of Chinese agricultural history Northwest Agricultural University Gu Long “Three Old” is China’s agricultural history of the Northwest Agricultural University Paleoanthropology Research Office Ji Fengqi, Feng Youquan, Ma Zongshen three epithets. They have similar years of their lives (1915, 1918, 1917). In the 1940s, they successively met with Northwestern Agriculture and Forestry College (1940, D44 and 1945).