FIELD: agriculture. SUBSTANCE: system for heating and protection of ground from freezing has source of heating, pump and pipelines laid in ground and filled with heat carrier, e.g., water. Heating source is made in form of accumulator of solar energy and combined by accumulating vessel, pump and pipelines into closed circulating system. Gas-cylinder plant filled with carbon dioxide gas is communicated with pipeline with pipeline located in heat accumulator. Area is provided with guard made over its periphery of transparent air-proof material. EFFECT: higher efficiency. 2 dwg
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