TY - Smart Agriculture A1 - CHEN Meixiang, ZHANG Ruirui, CHEN Liping, TANG Qing, XIA Lang T1 - Investigation on Advances of Unmanned Aerial Vehicle Application Research in Agriculture and Forestry Y1 - 2021-09-30 JF - Smart Agriculture JO - Smart Agriculture SP - 22 EP - 37 VL - 3 IS - 3 UR - http://www.smartag.net.cn N1 - 10.12133/j.smartag.2021.3.3.202107-SA006 ER -