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Design and experiments of an automatic depth-adjusting double screw trencher and fertiliserning
- Caixue Zhan,
- Wenqin Ding,
- Yu Han,
- Qinghai Jiang,
- Ying Zhao,
- Liang Zhao,
- Zhiyu Song
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- Published: December 14, 2022
- https://doi.org/10.1371/journal.pone.0277824