%0 Journal Article %T Design and experiments of an automatic depth-adjusting double screw trencher and fertiliserning %A Zhan, Caixue %A Ding, Wenqin %A Han, Yu %A Jiang, Qinghai %A Zhao, Ying %A Zhao, Liang %A Song, Zhiyu %J PLoS ONE %V 17 %N 12 %D 2022-12-14 %I Public Library of Science %~ DeepDyve