FIELD: agriculture.
SUBSTANCE: on a slope, across the surface drain along a curved line, all points of which have one and the same height above the initial level surface, slots are cut with the help of a lever spade. After introduction of the implement into soil, the slot is expanded, afterwards with the help of a return spring the implement is removed from soil and moved to another working position. At the same time rods of the implement have a tee cross section reducing to the end. The inner space of slots is filled with filtering material, such as sand.
EFFECT: method makes it possible to increase efficiency of erosion-preventive protection of slopes and reduce physical load.
5 cl, 5 dwg
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RU2332541C1 |
