FIELD: agriculture.
SUBSTANCE: device for single-piece sowing of fine forest seeds comprises hopper, body and drum with cells for seeds. Drum cells have oblong shape. Front part of cells is arranged in the form of flat surface with vertical wall having depth h = (1.5…1.8)c and length determined from ratio lfl = (1.5…2.0)a. Back part of cell is arranged along curve circumscribed in rectangular Cartesian coordinate system by equation y = (0.068…0.075)×1.604, where h is depth of cell; c is seed thickness; lfl is length of cell flat surface; a is seed length. In order to clean cells of drum from excessive seeds, there is a fixed pusher made of elastic material installed over drum. Working part of pusher contacts with external cylindrical surface of drum.
EFFECT: invention provides for single-piece sowing of fine seeds, preventing their damage, and also saving of seed material in process of sowing.
3 dwg
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