AUTHOR=Dong Jianxin , Gao Xiaojun , Zheng Zhouzhou , Zhao Pengfei , Bi Yubin , Huang Yuxiang TITLE=Design and testing of a posture-adjusting precision metering device for high-speed maize planting JOURNAL=Frontiers in Plant Science VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2025.1458597 DOI=10.3389/fpls.2025.1458597 ISSN=1664-462X