Research progress of small size seed metering devices

HIGHLIGHTS

• What: The authors analyses the research status research hotspots and research progress. (2) Keyword co-occurrence network reveals that the research broadly focuses on equipment performance evaluation and analysis equipment and specific effects of external conditions on seeding equipment etc Each of the six kinds seed metering devices prevailing on the market has its own application range. The rapid development stage 2020-2023, which are distributed in the green-yellow-orange-red part of Figure 2 on the middle right, indicates the emergence of research focus and unifying themes as the number of articles climbs. This research . . .
  

   

  

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