... achieve the agricultural demands. Seed depth, ridging height, space and row distance, can be adjusted. Completion at open ditch, fertilizing, planting ... (adjustable)High ridging (cm): 0-25 (adjustable)Seed row spacing (cm): 24-28 (adjustable)Row distance (cm): 20-35 (adjustable)Film width ... may blow flat coated5. Spreading film 2MB-1/2 Two Row Potato Seeder