Design and Experiment of Anti-Blocking Components for Shallow Stubble Clearing Based on Soil Bin Test

Wenyan Yao, Peisong Diao (), Hequan Miao and Shaochuan Li
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Wenyan Yao: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
Peisong Diao: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
Hequan Miao: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
Shaochuan Li: School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China

Agriculture, 2022, vol. 12, issue 10, 1-14

Abstract: In response to the problems of excessive wheat stubble blocking the opener during corn seeding in wheat–corn double cropping areas, an active-strip stubble removal method was proposed under the premise of conservation tillage. Firstly, the effects of two conventional rotary blade structures (inward and outward) on the stubble-cleaning effect and power consumption were studied under five rotary speeds (400, 500, 600, 700, 800 rpm). The results show that when the rotary speed was 400–600 rpm, the outward structure of the rotary blade was more suitable for stubble cleaning. Then, a torque sensor and a six-component force sensor were applied to the soil bin test platform to measure the relative data of four oblique angles (0°, 15°, 22.5°, 30°) on the stubble-cleaning effect, seedbed parameters, and power consumption at three rotary speeds (400, 500, 600 rpm). The results show that the straw residue on the seedbed was effectively reduced when increasing the oblique angle and rotary speed. Moreover, the quality parameters of the seedbed were improved and the power consumption was reduced when reducing the oblique angle and rotary speed. When the rotary speed was 400–500 rpm, the difference between the vertical resistance and lateral resistance was relatively small, while the difference between the horizontal resistance was large.

Keywords: active-strip stubble cleaning; upright shallow rotary stubble clearing; oblique shallow rotary stubble clearing; soil bin test (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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