Optimization of the rotary tillage tool for wheat strip-till planter

YANG Yanshan; DING Qishuo; ZHAO Yaping; SUN Cuihua; WANG Feng

doi:10.7671/j.issn.1001-411X.202007020

Journal of South China Agricultural University > 2021 > 42(2): 110-115. > DOI: 10.7671/j.issn.1001-411X.202007020

YANG Yanshan, DING Qishuo, ZHAO Yaping, et al. Optimization of the rotary tillage tool for wheat strip-till planter[J]. Journal of South China Agricultural University, 2021, 42(2): 110-115. DOI: 10.7671/j.issn.1001-411X.202007020

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Optimization of the rotary tillage tool for wheat strip-till planter

1.
Suzhou Polytechnic Institute of Agriculture, Suzhou 215000, China
2.
Nanjing Agricultural University/Jiangsu Provincial Key Laboratory of Intelligent Agricultural Equipment, Nanjing 210031, China

More Information

Received Date: July 15, 2020
Available Online: May 17, 2023

Graphical Abstract

Abstract

Abstract

Objective
To optimize the design of the rotary tiller tool for wheat strip-till planter, and improve the operation quality.

Method
Three typical rotary tillage tools (C-type blade, straight blade and deep tillage blade) and one optimized rotary tillage tool (combination of straight blade and deep tillage blade) were applied. The field in-situ cultivation was performed under the condition of centralized surface straw treatment with the rotation speed of the blade shaft at 180, 280, 380 and 510 r/min.

Result
The C-type blade could create continuous and intact seedbed, but most soil fragments were thrown out seedbed during the cultivation process, and the backfill effect was the worst. The deep tillage blade had good performance in soil tillage and breaking, it created continuous and intact seedbed but the boundary was irregular, and it could not effectively control the soil disturbance range in the process of tillage. The straight blade had advantage in its control of seedbed boundary, but it could not make continuous seedbed when the rotation speed of blade shaft was 180 and 510 r/min, and the soil fragments formed by tillage was too large (mean weight diameter > 40 mm) when the rotation speed of the blade shaft was 280 or 380 r/min. The combination blades benefited from the organic combination of straight blade and deep tillage blade, therefore it had outstanding advantages in shape formation of seedbed, soil fragmentation degree and backfill effect and energy consumption.

Conclusion
Under the condition of centralized treatment of surface straw, the combination blades are recommended as the tillage tool of wheat strip-till planter for clay soil.
- strip tillage,
- no-tillage sowing,
- operation quality,
- optimized design,
- combination blades

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References (23)

References

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Optimization of the rotary tillage tool for wheat strip-till planter

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