Coupled Bionic Design of Liquid Fertilizer Deep Application Type Opener Based on Sturgeon Streamline to Enhance Opening Performance in Cold Soils of Northeast China

Jinwu Wang, Nuan Wen, Ziming Liu, Wenqi Zhou, Han Tang, Qi Wang and Jinfeng Wang
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Jinwu Wang: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Nuan Wen: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Ziming Liu: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Wenqi Zhou: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Han Tang: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Qi Wang: College of Engineering, Northeast Agricultural University, Harbin 150030, China
Jinfeng Wang: College of Engineering, Northeast Agricultural University, Harbin 150030, China

Agriculture, 2022, vol. 12, issue 5, 1-18

Abstract: Liquid fertilizer has many advantages, such as low production cost and little environmental pollution. Liquid fertilizer open furrow strip application method is widely used in fertilizer application operation. The widely used core-share furrow opener has a high operational resistance, disturbing the soil, hurting the crop roots, causing the liquid fertilizer to volatilize and deteriorating the fertilization effect. In this study, based on the streamline curve of the sturgeon body, we designed several bionic sturgeon liquid fertilizer deep application openers by combining bionics and analyzed the effects of several openers under different operating speeds on open furrow resistances and soil disturbance based on the discrete element method. The mechanism of open furrow resistances reduction and efficient soil backfill of the bionic structure were verified by indoor soil bin tests. The test results show that, compared with the core-share type furrow opener, both open furrow resistances and soil disturbance of the bionic sturgeon liquid fertilizer deep application opener are smaller. This study provides theoretical and practical references for the design of liquid fertilizer deep application openers.

Keywords: discrete element; bionic furrow opener; liquid fertilizer deep application technology; soil bin test inspection (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
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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