Costly frames are more and more often replaced with foil covers. There are small tunnels with a ready-made structure of various dimensions on the market. Koszt zakupu tunelu zwróci się najpóźniej …
Materials are used to heat the inspection, which are broken down by bacteria, which is accompanied by the release of heat. It may be manure, straw, leaves of the trees, municipal rubbish. Działanie bakterii rozpoczyna się w temperaturze …
The inspection box is made of thick boards 38 mm (1,5 cala). The width of the box is equal to the length of the inspection window used to cover it, and its length is 4…6 window width. Wysokość …
Most vegetables can be grown in the field from the beginning. Jednak rośliny o długim okresie wegetacji i dużych wymaganiach cieplnych wysiane na polu nie kwitłyby i nie dojrzewały w naszym …