农机投入对农业GTFP影响及门槛效应的区域差异分析

刘敏, 姜会明, 姜天龙

Influence of Farm Machinery Input on Agricultural GTFP and the Regional Difference of Threshold Effect

Liu Min, Jiang Huiming, Jiang Tianlong

地理科学 . 2020, (12): 2037 -2045 . DOI: 10.13249/j.cnki.sgs.2020.12.010