The ornamental design for an impermeablesectional apparatus for soil moisture retention, as shown and described.
FIG. 1 is a front upper isometric view showing my new design for an impermeable sectional apparatus for soil moisture retention with sections in open position, the rear upper isometric view thereof being identical.
FIG. 2 is a front upper isometric view thereof similar to FIG. 1, showing my new design with sections in an alternative closed position, the rear upper isometric view thereof being identical.
FIG. 3 is a side upper isometric view thereof with sections in open position, the opposite side upper isometric view thereof being identical.
FIG. 4 is a bottom view thereof, showing my new design with sections in open position; and,
FIG. 5 is an isometric view of two impermeable sectional apparatus' for soil moisture retention in an alternative compound arrangement.
The broken lines are for environmental purposes only and form no part of the claimed design.