Figure 4
From: Design and field experiment of Codonopsis pilosula film covering transplanter
Schematic diagram of the principle of rotary tillage and soil throwing. 1. Rotary tiller tine holder. 2. Rotary tiller shaft. 3.Scraper. 4. Cover piece. 5. Soil chute. 6. Crawler type soil conveying device. 7. Film covering device. 8. Chain wheel. 9. Rotary blade.
