The proposed invention relates to the field of agriculture, namely, to the devices for the cultivation of green crops.; The task of the technical solution - the creation of the cup lightweight, simple design with a strong and rigid frame.; This object is achieved in that the glass for seedlings created in the form of a truncated cone formed by the bottom and side wall to the edge portion, outwardly flanged. In the lower part of the side wall openings are formed trapezoidal shapes formed by ribs and connecting rings made perpendicularly and stiffeners disposed around the perimeter of the side wall to form a grid structure. On day six molded triangular shaped openings uniformly spaced along the perimeter, narrowing towards the center of the bottom, made continuous. Stiffeners disposed within the cup along the side wall from the edge portion to the bottom center. In the three grid structure made of connecting rings, wherein one of the rings is a connection between the side wall and the bottom. The height of the openings in the grid structure rows decreases toward the bottom of the cup. The ratio of height h to the mesh structure height lower sidewall - H chosen as h: H = 1: 2. The height of the openings in the grid structure rows decreases toward the bottom of the cup.; This technical solution allows to obtain a stronger glass with a lower cost which may be used in hydroponic cultivation lines of green crops. 1 n.p.f. and z.p.f. 1, 2 yl.
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