Design and field evaluation of hill-drop pneumatic central cylinder direct-seeding machine for hybrid rice

Authors

  • Baolong Wang Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
  • Xiwen Luo Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
  • Zaiman Wang Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
  • Le Zheng Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
  • Minghua Zhang Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
  • Yizheng Dai Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
  • He Xing Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China

DOI:

https://doi.org/10.25165/ijabe.v11i6.4175

Keywords:

direct-seeding machine, hybrid rice, precision rice seeder, pneumatic cylinder, platform test, field test

Abstract

To meet the requirement of the precision direct-seeding for hybrid rice, this study aimed to design a hill-drop pneumatic central cylinder direct-seeding machine to sow ten rows at a time. A series of orthogonal experiments were conducted to investigate the performance of the cylinder seeder. The influences of the hole diameters, degree of vacuum, and rotational speed of the cylinder were tested on JPS-12 computer-vision seeding test platform, and the rotational speed of 10-50 r/min, diameter of 135 mm and a negative pressure of 1.0-2.0 kPa were employed. Test results showed that the optimal parameter combination was a vacuum of 2.0 kPa and a hole diameter of 2.0 mm (straight hole), with a rotational speed of 30 r/min. The probability of (2±1) seeds in each hole was 95.3%, while the probability of seed-missing hole was 2.0%. A series of field experiments were then conducted to test the seeder performance according to China National Standard Test Methods, and the field test results showed that for the hill-drop pneumatic central cylinder direct-seeding machine, the probability of (2±1) seeds in each hill was 91.6%, while the probability of seed-missing hill was 2.7%. The yield data showed that the average effective panicle had 231.25 ears, the average seed setting rate was 9.92%, the average 1000-grain weight was 22.45 g, and the average yield was 7107.9 kg/hm2 that was 26.14% higher than the average yield of rice (5634.9 kg/hm2) of Guangdong Province in 2016. The results showed that the hill-drop pneumatic central cylinder direct-seeding machine for hybrid rice could be applied in practical precision rice seeding. Keywords: direct-seeding machine, hybrid rice, precision rice seeder, pneumatic cylinder, platform test, field test DOI: 10.25165/j.ijabe.20181106.4175 Citation: Wang B L, Luo X W, Wang Z M, Zheng L, Zhang M H, Dai Y Z, et al. Design and field evaluation of hill-drop pneumatic central cylinder direct-seeding machine for hybrid rice. Int J Agric & Biol Eng, 2018; 11(6): 33–40.

Author Biographies

Baolong Wang, Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China

Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China

Xiwen Luo, Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China

Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education

Zaiman Wang, Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China

Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education,

Le Zheng, Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China

Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education

Minghua Zhang, Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China

Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education

Yizheng Dai, Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China

Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education

He Xing, Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China

Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education

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Published

2018-12-08

How to Cite

Wang, B., Luo, X., Wang, Z., Zheng, L., Zhang, M., Dai, Y., & Xing, H. (2018). Design and field evaluation of hill-drop pneumatic central cylinder direct-seeding machine for hybrid rice. International Journal of Agricultural and Biological Engineering, 11(6), 33–40. https://doi.org/10.25165/ijabe.v11i6.4175

Issue

Vol. 11 No. 6 (2018): IJABE

Section

Power and Machinery Systems

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