Material and fabrication factors governing rice seedling growth in seed rope direct seeding systems.

Dan Liu, Bingyan Yang, Ye Cao, Xiaoze Yu, Chenghang Li, Xiang Si, Baofeng Zhang

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Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Authors and funding

7 authors.

Dan LiuDepartment of Landscape Engineering, Yangzhou Polytechnic Institute, Yangzhou, 225127, China. liud@ypi.edu.cn.

Bingyan YangSchool of Mechanical Engineering, Yangzhou University, Yangzhou, 225127, China.

Ye CaoSchool of Mechanical Engineering, Yangzhou University, Yangzhou, 225127, China.

Xiaoze YuCollege of Engineering, Inner Mongolia Minzu University, Tongliao, 028000, China.

Chenghang LiCollege of Engineering, Inner Mongolia Minzu University, Tongliao, 028000, China.

Xiang SiSchool of Mechanical Engineering, Yangzhou University, Yangzhou, 225127, China.

Baofeng ZhangSchool of Mechanical Engineering, Yangzhou University, Yangzhou, 225127, China. bf_zhang@yzu.edu.cn.

Funding

Inner Mongolia Autonomous Region Key Research, Development and Achievement Transformation Plan (International Science & Technology Cooperation Initiative) 2024KJHZ0012the Natural Science Foundation of the Jiangsu Higher Education Institutions of China 20KJD210003the Science and Technology Projects Fund of Yangzhou City YZ2024131

6 · The paper itself

Abstract

Direct seeding of rice (DSR) offers significant advantages over transplanting, including water savings and reduced labour requirements. As a form of DSR, seed rope direct seeding of rice (SRDSR) retains these benefits while additional features such as a controllable and consistent hill spacing, a clustered seed distribution per hill, and operational convenience. The objectives of this research were to investigate the effects of seed rope materials and twisting number on rice seedling growth. The experiments were conducted under various seed rope treatments, namely, direct seeding (CK), polylactic nonwoven fabric (NR), and wrinkled paper (WR), with gradients of twisting numbers of 10, 15, 20, 25 and 30. The results revealed that there were no significant differences in the emergence rate, seeding height, or root parameters among the NR, WR-10 and CK treatments. The growth indicators of rice in the NR groups did not show significant fluctuations with increasing twisting number, whereas the WR treatments resulted in a decreasing trend. With respect to the same twisting number, the NR treatments performed better than the WR treatments. In addition, SRDSR increases the seeds' resistance to environmental temperature and humidity stress. This study elucidated the mechanistic effects of seed rope treatments on seedling growth through a comprehensive analysis of the physical-mechanical properties and microstructure of the encapsulation materials, thereby providing a theoretical foundation for the advancement of seed rope-based seeding technology.

Indexed as

Rice direct seedingSeedling indicatorsSeed ropeSeed rope production

Identifiers

PMID41882065

DOI10.1038/s41598-026-44788-8

PMCPMC13168467

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LicenceCC BY-NC-ND

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.