1.Suitable for a variety of soils. 2.Seed depth, ridge height, line spacing, and spacing in the rows, can be adjusted. Feature:Suitable for a variety of soils.And to meet the agronomic requirements.Seed depth,ridge height,line spacing ,and spacing in the rows,can be adjusted.It can finish all the works of ditching,spreading fertilizer,planting,riding,spraying herbicides,laying the membrane in one ...