pit dug in ground with shovel. soil preparation for planting. line art icon of piece of land with trench. black of

art background black bury clipart contour dig digging ditch dug earth earthwork entrenchment excavate excavation farm flat fosse garden gardening graphic greenery ground grub heap hole icon illustration isolated land landscape line linear loosen manual outline pictogram piece pile pit plant planting preparation seedling shovel soil tool tree trench uproot vector white work