A Review of the Current Status, Challenges, and Strategies for Precision Soybean Seed Metering Devices in China

Articles in Press

Document Type : Review Article- En

Authors

• Sh. Yan ^{1, 2}
• F. Yang ^{1, 2}
• Y. Li ¹
• X. Li ¹
• J. Li ^{1, 2}
• X. Wang ^{1, 2}
• G. Li ^{1, 2}
• A. Chen ^{1, 2}

¹ College of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, Shandong, China

² Key Lab of Industrial Fluid Energy Conservation and Pollution Control (Qingdao University of Technology), Ministry of Education, Qingdao 266520, Shandong, China

https://doi.org/10.22067/jam.2025.94446.1410

Abstract

Soybeans serve as a crucial grain, oil, and cash crop in China, yet the nation currently suffers from alarmingly low self-sufficiency rates. The sowing process, being the most critical phase of soybean production, directly determines crop yield and quality. Notably, the suboptimal performance of precision seed meters remains the primary bottleneck limiting yield enhancement due to issues with seeding accuracy. This study aims to analyse the current state of soybean production, highlight technological advancements in seed metering devices, and propose improvement strategies to enhance sowing quality and reduce import dependence, thereby providing a theoretical foundation. This paper systematically retrieves literature from databases such as CNKI, Web of Science, Elsevier, and IEEE Xplore, integrating journal articles, patent documents, and industry reports published between 2000 and 2024. It conducts a comparative analysis of the types, working principles, and research progress of soybean seed metering devices in China and abroad. Results showed that domestic seed metering devices are primarily mechanical, suffering from issues such as excessive seed damage and missed seeding rates, whereas foreign pneumatic seed metering devices offer high precision but are costly and lack adaptability.

Keywords

• Research status
• Seed planter
• Seed quality
• Solution
• Soybeans

Main Subjects

• Precision Farming

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