**5. Conclusions**


**Author Contributions:** Conceptualization, Z.Y. and J.Y.; methodology, Z.Y. and H.W. (Hai Wei); software, Z.Y. and X.G.; validation, Z.Y. and H.W. (Huichang Wu); formal analysis, Z.Y. and H.W. (Hai Wei); investigation, Z.Y., T.H. and J.W.; resources, Z.Y. and J.W.; data curation, Z.Y.; writing—original draft preparation, Z.Y. and X.G.; writing—review and editing, Z.Y., X.G. and J.Y.; visualization, J.Y. and X.G.; supervision, H.W. (Huichang Wu); and J.W.; project administration, H.W. (Huichang Wu); funding acquisition, H.W. (Huichang Wu); All authors have read and agreed to the published version of the manuscript.

**Funding:** This research was funded by China Agriculture Research System—Green Manure, grant number CARS-22; Basic Scientific Research Service Fee of Chinese Academy of Agricultural Sciences, grant number S202012; Innovation Engineering of the Chinese Academy of Agricultural Sciences— Primary Processing Equipment for Major Grain and Economic Crops, grant number 31-NIAM-09.

**Institutional Review Board Statement:** Not applicable.

**Informed Consent Statement:** Not applicable.

**Data Availability Statement:** The data presented in this study are available on-demand from the first author at (youzhaoyan@caas.cn).

**Acknowledgments:** The authors would like to acknowledge Wuhu Qingyijiang Seed Industry Co., Ltd. for its strong support in the trial production and processing of the Chinese milk vetch seed combine harvester, and for providing the test site for this study.

**Conflicts of Interest:** The authors declare no conflict of interest.

#### **References**

