(1) is a group of circular
positioned small disks to make the row button as stripes to facilitate
the following steps. ( 2 ) is a group ( or more ) of circular
positioned small blades to slice a measured layer of the soil, after that
the soil could be moved
from one side of the row bottom
by the shovel ( 3 ) and stacked by the shovel (4) upon the other
side of the row button with or without the fertilizer which is dropped
from the container ( 5 ). ( 6 ) to the saddle.