农地流转对化肥投入的影响——以山东省为例
郑纪刚, 张日新, 曾昉
Impact of farmland transfer on fertilizer input:Taking Shandong Province as an example
ZHENG Jigang, ZHANG Rixin, ZENG Fang
资源科学 . 2021, (5): 921 -931 .  DOI: 10.18402/resci.2021.05.06