https://doi.org/10.4081/jae.2022.1273

Experimental and numerical investigations of the impacts of separating board and anti-blocking mechanism on maize seeding

Vol. 53 No. 1 (2022)
Published: 31 March 2022
Maize seeding, row cleaning mechanism, separating board, straw clearance.
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Authors

Fang Huimin
School of Agricultural Engineering, Jiangsu University, Zhenjiang; Shandong Academy of Agricultural machinery Sciences, Jinan, China.
Niu Mengmeng
Shandong Academy of Agricultural machinery Sciences, Jinan, China.
Zhu Zhengbo
Shandong Academy of Agricultural machinery Sciences, Jinan, China.
Zhang Qingyi
zhangqingyi90@126.com
School of Mechanical Engineering, Shandong University, Jinan, China.

Maize seeding is greatly affected by improper seed placement and poor planter performance under a no-tillage mechanisation system. To overcome the issue, we explored the impact of separating board and anti-blocking mechanism (0, 1/4, 1/2, 2/3, 3/4, and 1 type) on maize seeding under different forward speeds (3, 5, 7 km/h) and rotational speeds (260, 400, 530, 740 rpm), where the performance metrics included the mass of straw coiled, seeding height, emergence rate, soil mound depth, straw movement, and straw clearance. The study results show that separating board helps to increase forward and side displacements of the straw, which avoids localized accumulation of straw around the antiblocking mechanism. The straw clearance rate of the anti-blocking mechanism with a separating board is greater than that without the separating board. Therefore, the 2/3 type anti-blocking mechanism with a separating board is recommended for maize seeding at a forward speed of 5 km/h and a rotational speed of 400 rpm.

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How to Cite

Huimin, F. (2022) “Experimental and numerical investigations of the impacts of separating board and anti-blocking mechanism on maize seeding”, Journal of Agricultural Engineering, 53(1). doi: 10.4081/jae.2022.1273.
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