Wheat Production Machinery Input Efficiency and Influencing Factors in China: Based on the Empirical Evidence of 15 Major Wheat Producing Provinces
卢昱嘉,韩一军,陈秧分
Chinese Agricultural Science Bulletin . 2019, (35): 157 -164 .  DOI: 10.11924/j.issn.1000-6850.casb18090106