| 摘要 |
FIELD: sportive constructions, in particular, constructions which may be partly used in agriculture. ^ SUBSTANCE: sportive ground has base with two slopes extending from central longitudinal axis, drainage layer and soil plant layer placed onto base. Base is part of box-like construction. Rim is placed on inner side of base. Pipe with water discharge grid and warm air supply pipe are mounted on base. Groove is provided at base inner side. ^ EFFECT: provision for circulation of air in ground, improved conditions for development of lawn herbage, quick discharge of rain water from lawn ground surface, followed by drying and heating through of ground, preventing of ground surface from freezing-through under winter conditions. ^ 4 cl, 2 dwg |
